Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Germanic *-umô

→ English foremost (mention)
→ English foremost (mention)
→ English foremost (mention)
→ English -most (mention)
→ English -most (mention)
→ Old English fruma (mention)
→ Old English -uma (inherited)
→ Gothic -𐌿𐌼𐌰 (inherited)
→ Latin -issimus (cognate)