Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English soothe
Old English sōþian (inherited)
Danish sande (cognate)
English sooth (mention)
Middle English sothen (inherited)
Proto-Germanic *sanþōną (inherited)
Gothic 𐍃𐌿𐌸𐌾𐌰𐌽 (cognate)
Gothic 𐍃𐌿𐌸𐌾𐍉𐌽 (mention)
Proto-Indo-European *h₁es- (derived)
Icelandic sanna (cognate)
Swedish sanna (cognate)

English prove (link)
English soother (suffix)
English soothest (suffix)
English besoothe (prefix)
English soothable (suffix)
English sootheth (suffix)
English soothesome (suffix)
English soothability (suffix)
English unsoothe (prefix)
English resoothe (prefix)
English soothy (affix)
Norwegian Nynorsk svale (link)
Old Norse sanna (cognate)