cynrhychiol

cynrhychiol (feminine singular cynrhychiol, plural cynrhychiol, not comparable)

cynrhychiol (feminine singular)
cynrhychiol (plural)
cynrhychiol
gynrhychiol (soft)
nghynrhychiol
chynrhychiol

Variant form of cyndrychiol or cynddrychiol, from cyn- + drych (“mirror, image”) + -iol.


ôl-ddod

ôl-ddodion (plural)
ôl-ddod
hôl-ddod (prothesis-h)

Back-formation from ôl-ddodi (“to suffix, to append at the end”).