Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Irish -as
← Proto-Celtic *-assus (inherited)
← Proto-Indo-European *-ad[[-tus]] (inherited)
← Old Irish -as (inherited)

→ Irish ciúnas (affix)
→ Irish costas (affix)
→ Irish tinneas (affix)
→ Irish borrachas (affix)
→ Irish bunús (affix)
→ Irish cumannachas (affix)
→ Irish fiabhras (affix)
→ Irish breithiúnas (affix)
→ Irish Marxachas (affix)
→ Irish aontas (affix)
→ Irish gnéasaíochas (affix)
→ Irish gnéasachas (affix)
→ Irish trasghnéasachas (affix)
→ Irish noidhenas (affix)
→ Irish lastas (affix)
→ Irish canúnachas (affix)
→ Irish earótachas (affix)
→ Irish seanchas (affix)
→ Irish seobhaineachas (affix)
→ Irish cnáimhseachas (affix)
→ Irish foclachas (affix)
→ Irish muintearas (affix)
→ Irish gealtachas (affix)
→ Irish daltas (affix)
→ Irish daltachas (affix)
→ Irish mí-ionracas (affix)
→ Irish suaimhneas (affix)
→ Irish Búdachas (affix)
→ Irish aonfhoirmeachas (affix)
→ Irish fiús (affix)
→ Irish taispeántas (affix)
→ Irish fótacrómachas (affix)
→ Irish fótavoltachas (affix)
→ Irish maighnéadas (affix)
→ Irish poblachtánachas (affix)
→ Irish poblachtachas (affix)
→ Irish feidearálachas (affix)
→ Irish Giúdachas (affix)
→ Irish aoibhneas (affix)
→ Irish voltas (affix)