Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh ar
← Proto-Brythonic *ar (inherited)
← Proto-Celtic *ɸare (inherited)
← Middle Welsh ar (inherited)

→ English Pontarddulais (mention)
→ Welsh ar gau (compound)
→ Welsh acha (compound)
→ Welsh annwyd (mention)
→ Welsh erbyn (mention)
→ Welsh tri ar ddeg (compound)
→ Welsh unfed ar ddeg (compound)
→ Welsh trydydd ar ddeg (compound)
→ Welsh tair ar ddeg (compound)
→ Welsh un ar ddeg (compound)
→ Welsh arddwrn (prefix)
→ Welsh ar hyn o bryd (compound)
→ Welsh pedwar ar ddeg (compound)
→ Welsh un ar bymtheg (compound)
→ Welsh arfedd (prefix)
→ Welsh arbennig (mention)
→ Welsh pic ar y maen (compound)
→ Welsh picen ar y maen (compound)
→ Welsh dau ar bymtheg (compound)
→ Welsh pedwar ar bymtheg (compound)
→ Welsh un ar hugain (compound)
→ Welsh dau ar hugain (compound)
→ Welsh tri ar hugain (compound)
→ Welsh pedwar ar hugain (compound)
→ Welsh pump ar hugain (compound)
→ Welsh chwech ar hugain (compound)
→ Welsh saith ar hugain (compound)
→ Welsh wyth ar hugain (compound)
→ Welsh naw ar hugain (compound)
→ Welsh deg ar hugain (compound)
→ Welsh argaen (compound)
→ Welsh pedwerydd ar ddeg (compound)
→ Welsh unfed ar bymtheg (compound)
→ Welsh ail ar bymtheg (compound)
→ Welsh pedwerydd ar bymtheg (compound)
→ Welsh pedair ar ddeg (compound)
→ Welsh dwy ar bymtheg (compound)
→ Welsh pedair ar bymtheg (compound)
→ Welsh ail ar hugain (compound)
→ Welsh unfed ar hugain (compound)
→ Welsh trydydd ar hugain (compound)