Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *(s)kleh₂w-

→ English close (root)
→ English close (root)
→ English clause (root)
→ English include (root)
→ English exclude (root)
→ English closet (root)
→ English clef (root)
→ English exclusive (root)
→ English clove (root)
→ English cloy (root)
→ English claustrophobia (root)
→ English clavicle (root)
→ English inclusion (root)
→ English cloister (root)
→ English enclose (root)
→ English exclusion (root)
→ English autoclave (root)
→ English occlude (root)
→ English inclusive (root)
→ English occlusion (root)
→ English clavichord (root)
→ English foreclose (root)
→ English inclusivity (root)
→ English inclusively (root)
→ English claves (root)
→ English occlusive (root)
→ English cloisonne (root)
→ English occluder (root)
→ English cloistral (root)
→ English malocclusion (root)
→ English inclusiveness (root)
→ English non-exclusive (root)
→ English cloyingly (root)
→ English claustrum (root)
→ English nonoccluded (root)
→ English clavinet (root)
→ English claviform (root)
→ English claviform (derived)
→ English claviform (derived)
→ English claustral (root)
→ Catalan clau (derived)
→ Welsh clo (derived)
→ Welsh allwedd (derived)
→ Esperanto inkludi (root)
→ Spanish clavo (derived)
→ French clou (derived)
→ French occlusion (root)
→ Irish cló (derived)
→ Scottish Gaelic clò (derived)
→ Galician cravo (derived)
→ Galician choer (derived)
→ Italian chiavo (derived)
→ Latin clavis (root)
→ Latin clavis (derived)
→ Latin clavus (derived)
→ Latin includo (root)
→ Latin occludo (root)
→ Latin excludo (root)
→ Latin claudo (root)
→ Latin claudo (derived)
→ Latin claustrum (root)
→ Latin circumcludo (root)
→ Latin exclusio (root)
→ Latin exclusivus (root)
→ Latin clathri (derived)
→ Latin Cluana (cognate)
→ Latin inclusio (root)
→ Polish clou (derived)
→ Portuguese chave (derived)
→ Portuguese cravo (derived)