Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English singular
← Middle English singuler (inherited)
← Proto-Indo-European *sem- (root)
← Latin singulāris (derived)
← Latin singulus (derived)

→ English singularity (suffix)
→ English single (mention)
→ English singularly (suffix)
→ English nonsingular (prefix)
→ English non-singular (prefix)
→ English singularness (suffix)
→ English singularize (suffix)
→ English singularist (suffix)
→ English supersingular (prefix)
→ English sinsign (mention)
→ English singularization (suffix)
→ English cosingular (prefix)
→ English equisingular (prefix)
→ English singularise (suffix)
→ English hypersingular (prefix)
→ English e-form (link)
→ English unsingular (prefix)
→ English singularism (suffix)
→ English Megs (alter)
→ Portuguese uno (link)
→ Portuguese -a (link)
→ Portuguese -a (link)
→ Portuguese -a (link)
→ Portuguese -a (link)
→ Portuguese -a (link)
→ Portuguese -a (link)
→ Swedish hen (mention)