Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English ā-

→ English a- (inherited)
→ English abear (mention)
→ English abet (mention)
→ English amaze (mention)
→ English alight (mention)
→ English astonish (mention)
→ English ashame (mention)
→ English afear (mention)
→ English or- (cognate)
→ English alighten (mention)
→ Old English afon (affix)
→ Old English asettan (affix)
→ Old English astyrian (affix)
→ Old English æ- (mention)
→ Old English amasian (affix)
→ Old English ahliehhan (affix)
→ Old English aþreotan (mention)
→ Old English ademan (affix)
→ Old English aþeotan (affix)
→ Old English arædan (affix)
→ Old English aseon (affix)
→ Old English asecan (affix)
→ Old English agiemeleasian (affix)
→ Old English awyrcan (affix)
→ Old English asittan (affix)
→ Old English afremdan (affix)
→ Old English adeadian (affix)
→ Old English ahierdan (affix)
→ Old English aheardian (affix)
→ Old English ascacan (affix)
→ Old English ascafan (affix)
→ Old English ascieppan (affix)
→ Old English ascinan (affix)
→ Old English ascirian (affix)
→ Old English asceotan (affix)
→ Old English ascrencan (affix)
→ Old English ascufan (affix)
→ Old English ascunian (affix)
→ Middle English astonen (mention)
→ Dutch ver- (cognate)