osteo-

Combining form of Ancient Greek ὀστέον (ostéon, “bone”).


a-

forms words, especially verbs, that denote entering a state, making progress toward a goal, or the like


a-

From Ancient Greek ἀ- (a-) (ἀν- (an-) immediately preceding a vowel; generalized from the many Latin borrowings using this prefix.


atto-

Borrowed from Danish atten (“eighteen”).


im-

a form of the prefix in-, used before b and p


auto-

Borrowed from Ancient Greek αὐτο- (auto-).


zoo-

Borrowed from Ancient Greek ζῷο- (zôio-), combining form of ζῷον (zôion, “animal”).


micro-

From Ancient Greek μικρός (mikrós, “small”).


mega-

From Ancient Greek μέγας (mégas, “great, large, mighty”).


ante-

ante- + penúltimo (“penultimate”) → antepenúltimo (“antepenultimate”)


hemi-

Borrowed from Ancient Greek ἡμι- (hēmi-, “half”).


anti-

Borrowed from Ancient Greek ἀντί (antí, “against”).

anti-; against, opposite, protecting against


mono-

From Ancient Greek μόνος (mónos, “alone, only, sole, single”).


penta-

Borrowed from Ancient Greek πεντα- (penta-), combining form of πέντε (pénte, “five”).


extra-

Borrowed from Latin extrā-, from extrā (“outside, beyond”).


necro-

From Ancient Greek νεκρός (nekrós, “dead”).


biblio-

From Ancient Greek βιβλίον (biblíon, “small book”).


aero-

From Ancient Greek ἀέρος (aéros), the genitive singular of ἀήρ (aḗr, “air”).


re-

re- + construir → reconstruir

re- + fluir → refluir

re- + pugnar → repugnar


re-

Of Proto-Celtic origin, cognate with Irish ró- (“very”).

re- + bueno (“good”) → rebueno (“great”)

re- + chulo (“cute”) → rechulo (“very cute”)


neo-

Borrowed from Ancient Greek νεο- (neo-, prefix), from νέος (néos, “new, young”).


em-

Alternative form of en- used before b or p; em-


endo-

From Ancient Greek ἔνδον (éndon, “inner; internal”).


ferro-

From ferrum (“iron”). The "railroad" sense comes from ferrocarril (“railroad”, literally “iron path”).

forms terms relating to railroads: ferro-


gastro-

Coined based on Ancient Greek γαστήρ (gastḗr, “stomach”).


dis-

Borrowed from Latin dis-. Compare the inherited des-.


eco-

From Ancient Greek οἶκος (oîkos, “house, household”).

eco- + sistema (“system”) → ecosistema (“ecosystem”)

eco-; forms words concerning ecology or the environment


eco-

From Latin echō, from Ancient Greek ἠχώ (ēkhṓ, “echo”).

eco- + cardiograma (“cardiogram”) → ecocardiograma (“echocardiogram”)

forms words relating to echos or other reflected waves


en-

Inherited from Old Spanish en-, from Latin in-, prefixation of Latin in (“in, into”); see en.


con-

Inherited from Latin con-, from cum (“with”).


pre-

Borrowed from Latin prae- (“before”), from the Latin preposition prae.


inter-

Learned borrowing from Latin inter. Doublet of entre-.


xeno-

Borrowed from Ancient Greek ξένος (xénos, “foreign, of a stranger”).


baro-

From Ancient Greek βάρος (báros, “weight”), from βαρύς (barús, “heavy”).


proto-

Borrowed from Ancient Greek πρωτο- (prōto-), combining form of πρῶτος (prôtos, “first”), superlative of πρό (pró, “before”).


histo-

From Ancient Greek ἱστός (histós, “web, tissue”).


helio-

Borrowed from Ancient Greek ἡλιο- (hēlio-), combining form of ἥλιος (hḗlios, “sun”).


super-

Learned borrowing from Latin super-. Doublet of sobre-.


iso-

Borrowed from Ancient Greek ἴσος (ísos, “equal”).


meta-

Borrowed from Ancient Greek μετά (metá).


vice-

From Latin vice (“in place of”), from the ablative of vicis (“alternation, turn”).


trans-

Borrowed from Latin trāns (“across, on the far side, beyond”). Doublet of tras-, which was inherited.


neuro-

Borrowed from Ancient Greek νευρο- (neuro-), combing form of νεῦρον (neûron, “sinew, tendon, cord”).


para-

Borrowed from Ancient Greek παρα- (para-).


meso-

meso- (located in or relating to the middle)


cosmo-

From Ancient Greek κόσμος (kósmos, “universe”).


oligo-

Borrowed from Ancient Greek ὀλίγος (olígos, “few”).


pan-

From Ancient Greek πᾶν (pân), neuter form of πᾶς (pâs, “all, every”).


oxi-

From Ancient Greek ὀξύς (oxús, “sharp”).


macro-

Borrowed from Ancient Greek μακρο- (makro-, “long, large”).


peri-

Borrowed from Ancient Greek περί (perí, “about, around”).


sin-

Borrowed from Ancient Greek, from σύν (sún, “with, in company with, together with”).


supra-

Learned borrowing from Latin suprā- (“above, over, beyond”).


des-

Inherited from Old Spanish des-, from Latin dis-, from Proto-Indo-European *dwís. Doublet of dis-, which was borrowed.

des- + colgar (“to hang up (a phone)”) → descolgar (“to pick up (a phone)”)


cardio-

From Ancient Greek καρδίᾱ (kardíā, “heart”).

cardio- + vascular → cardiovascular

cardio-; forms words pertaining to the heart


angio-

From Ancient Greek ἀγγεῖον (angeîon, “vessel, urn”).


sino-

From Medieval Latin Sina (“China”), from Latin Sinae (“the Southern Chinese; Southern China”), from Ancient Greek Σῖναι (Sînai), q.v.


holo-

From Ancient Greek ὅλος (hólos, “whole”).


entre-

Inherited from Latin inter-. Doublet of inter-.


euro-

Euro- (forms words relating to European Union)

(Spain) relating to Eurovision (e.g. eurovisivo, eurofan eurodrama)


entomo-

From Ancient Greek ἔντομος (éntomos, “dissected”).


foto-

Borrowed from Ancient Greek φωτο- (phōto-), from φῶς (phôs, “light”) (genitive singular φωτός (phōtós)).


entero-

From Ancient Greek ἔντερον (énteron, “intestine”).


poli-

From Ancient Greek πολύς (polús, “many, much”).


tardo-

late (relating to the final stages of a historical period)


psico-

From Ancient Greek ψυχή (psukhḗ, “soul”).


xilo-

Borrowed from Ancient Greek ξύλον (xúlon, “wood”).


crono-

From Ancient Greek χρόνος (khrónos, “time”).


alo-

Borrowed from Ancient Greek ἀλλο- (allo-), combining form of ἄλλος (állos, “other”).


anemo-

From Ancient Greek ἄνεμος (ánemos, “wind”).


antropo-

From Ancient Greek ἄνθρωπος (ánthrōpos).


lito-

From Ancient Greek λίθος (líthos, “stone”).


cito-

From Ancient Greek κύτος (kútos, “vessel, container”).


morfo-

Borrowed from Ancient Greek μορφο- (morpho-) and -μορφος (-morphos), from μορφή (morphḗ, “form, shape”).


orto-

Borrowed from Ancient Greek ὀρθο- (ortho-), combining form of ὀρθός (orthós, “straight, upright”).


crio-

From Ancient Greek κρύος (krúos, “cold, frost, ice”).


termo-

From Ancient Greek θερμός (thermós, “warm, hot”).


mio-

From Ancient Greek μυός (muós, “muscle”).


piro-

Borrowed from Ancient Greek πυρο- (puro-), combining form of πῦρ (pûr, “fire”).


rino-

Learned borrowing from Ancient Greek ῥινός (rhinós), genitive of ῥίς (rhís, “nose”).


tecno-

Borrowed from Ancient Greek τεχνο- (tekhno-), from τέχνη (tékhnē, “art, craft”).


artro-

From Ancient Greek ἄρθρον (árthron, “a joint”).


condro-

From Ancient Greek χόνδρος (khóndros, “grain; cartilage”).


bati-

(Latin America) Bat-; belonging to or associated with Batman.


atmo-

From Ancient Greek ἀτμός (atmós, “vapor, smoke, steam”).


clado-

Borrowed from Ancient Greek κλάδος (kládos, “shoot, branch”).


hemato-

From Ancient Greek αἵματος (haímatos, “blood”).


cripto-

From Ancient Greek κρυπτός (kruptós, “hidden, secret”).


eno-

From Ancient Greek οἶνος (oînos, “wine”).


fito-

From Ancient Greek φυτόν (phutón, “plant”), from φύω (phúō, “to generate, to cause to grow”).


adeno-

From Ancient Greek ἀδένος (adénos, “gland”).


fisio-

From Ancient Greek φύσις (phúsis, “nature”).


geronto-

geronto- (Forms terms related to old age or the elderly)


narco-

(rare) pertaining to stupor, sleep, or a state of unconsciousness


hidro-

Borrowed from Ancient Greek ὑδρο- (hudro-), from ὕδωρ (húdōr, “water”).


es-

es- + coger → escoger

es- + pulga → espulgar

es- + forzar → esforzar


xero-

From Ancient Greek ξηρός (xērós, “dry”).


hiper-

Learned borrowing from Ancient Greek ὑπέρ (hupér, “over”).

lbor

hiper- + moderno (“modern”) → hipermoderno (“hypermodern”)


sobre-

Inherited from Latin super-. Doublet of super-.


hipo-

Borrowed from Ancient Greek ὑπο- (hupo-), combining form of ὑπό (hupó, “under”).


dactilo-

From Ancient Greek δάκτυλος (dáktulos, “finger”).


arqui-

Borrowed from Ancient Greek ἀρχι- (arkhi-, “first, chief”), from ἄρχω (árkhō, “to begin, to lead, to rule”).


cervico-

(anatomy) cervico- (of or relating to the cervix)

(anatomy) cervico- (of or relating to the neck)


icno-

Internationalism, from Ancient Greek ἴχνος (íkhnos, “footprint”).


anarco-

anarcho- (denoting anarchy or anarchism)


recontra-

(Chile, Peru, slang, dated) very, extra, super


quiro-

Borrowed from New Latin chiro-, from Ancient Greek χείρ (kheír, “hand”).


neumo-

From Ancient Greek πνεύμων (pneúmōn, “lung”).


mielo-

From Ancient Greek μυελός (muelós, “marrow”).


espondilo-

From Ancient Greek σπόνδυλος (spóndulos, “vertebra”).


histero-

From Ancient Greek ὑστέρα (hustéra, “womb”).


hipno-

hipno- + -logia → hipnologia

hipno- + terapia → hipnoterapia