"-рак" meaning in Eastern Mari

{
  "forms": [
    {
      "form": "-rak",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mhr",
        "2": "suffix"
      },
      "expansion": "-рак • (-rak)",
      "name": "head"
    }
  ],
  "lang": "Eastern Mari",
  "lang_code": "mhr",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Eastern Mari entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "олма (olma, “pretty”) + -рак (-rak) → олмарак (olmarak, “prettier (than)”)"
        }
      ],
      "glosses": [
        "forms comparative adjectives"
      ],
      "id": "en--рак-mhr-suffix-WZgD6bCY",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɾɑk/"
    }
  ],
  "word": "-рак"
}

{
  "forms": [
    {
      "form": "-rak",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mhr",
        "2": "suffix"
      },
      "expansion": "-рак • (-rak)",
      "name": "head"
    }
  ],
  "lang": "Eastern Mari",
  "lang_code": "mhr",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Eastern Mari entries with incorrect language header",
        "Eastern Mari lemmas",
        "Eastern Mari suffixes",
        "Eastern Mari terms with IPA pronunciation"
      ],
      "examples": [
        {
          "text": "олма (olma, “pretty”) + -рак (-rak) → олмарак (olmarak, “prettier (than)”)"
        }
      ],
      "glosses": [
        "forms comparative adjectives"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɾɑk/"
    }
  ],
  "word": "-рак"
}