Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latin -us
← Proto-Germanic *-az (cognate)
← Ancient Greek -ος (cognate)
← Proto-Indo-European *-os (inherited)
← Icelandic -ur (cognate)
← Old Latin -os (inherited)
← Proto-Italic *-os (inherited)

→ English conscious (mention)
→ English tern (mention)
→ English sedulous (mention)
→ English obvious (mention)
→ English rhinocerus (mention)
→ English Festivus (mention)
→ English puellile (mention)
→ English bivious (mention)
→ English -oi (mention)
→ English puelline (mention)
→ German Politiker (mention)
→ German Antibiotikum (mention)
→ German -iker (mention)
→ German Luftikus (mention)
→ Hungarian mód (mention)
→ Italian -o (link)
→ Latin colonus (mention)
→ Latin septimus (mention)
→ Latin -a (mention)
→ Latin superior (affix)
→ Latin -o (mention)
→ Latin -as (mention)
→ Latin -e (mention)
→ Latin -is (mention)
→ Latin -am (mention)
→ Latin -es (link)
→ Latin pandanus (mention)
→ Latin -ura (affix)
→ Latin platanifolius (affix)
→ Latin nimius (affix)
→ Latin beluus (affix)
→ Latin obstreperus (affix)
→ Latin obstreperus (affix)
→ Latin genioglossus (affix)
→ Latin perfidus (mention)
→ Latin superus (affix)
→ Latin stearothermophilus (affix)
→ Latin stenodactylus (affix)
→ Latin alternifolius (affix)
→ Latin inophyllus (cognate)
→ Latin -ae (mention)
→ Latin palatoglossus (affix)
→ Latin benevolus (affix)
→ Latin morigerus (affix)
→ Latin prodigus (affix)
→ Latin cybaeus (affix)
→ Latin hyoglossus (affix)
→ Latin bigener (affix)
→ Latin birotus (affix)
→ Latin canicrus (affix)