Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Manx lhaih
Irish léigh (cognate)
Proto-Indo-European *leǵ- (derived)
Latin legō (derived)
Old Irish légaid (inherited)

Manx lhaihder (suffix)
Manx so-lhaih (prefix)
Manx yn-lhaih (prefix)
Manx co-lhaih (prefix)
Manx neulhaihagh (affix)
Manx aalhaih (prefix)
Manx meelhaih (prefix)