Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Middle English of
Old English of (inherited)
Old English af (mention)
Old English æf (mention)
Old English æf (inherited)
Old English (derived)
Old English þēah (derived)
Middle English ofe (alter)
Middle English offe (alter)
Middle English hof (alter)
Middle English ove (alter)
Middle English ob (alter)
Middle English om (alter)
Middle English (alter)
Middle English (alter)
Middle English before ''b'', ''m'', ''þ'' (alter)
Middle English ofe (alter)
Middle English offe (alter)
Middle English oth (mention)
Middle English oft (alter)
Middle English thof (mention)
Middle English though (mention)
Proto-Germanic *ab (inherited)
Proto-West Germanic *ab (inherited)

English of (inherited)
English off (inherited)
English offal (prefix)
English a (inherited)
English -a- (mention)
Scots o (inherited)
Yola af (inherited)