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 -el
Old English -il (alter)
Proto-Germanic *-a-l- (inherited)
Proto-Germanic *-ilaz (inherited)

English swivel (mention)
English -let (cognate)
English nimble (mention)
English thimble (mention)
English -el (inherited)
English -el (inherited)
English -le (inherited)
English -le (inherited)
English -le (inherited)
Old English bydel (affix)
Old English þyrel (affix)
Old English þwirel (affix)
Old English trendel (affix)
Old English stiepel (affix)
Old English sweþel (affix)
Old English wrot (affix)
Middle English -el (inherited)
Middle English -el (inherited)
Scots -le (inherited)