Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English sicker
Old English sēocra (inherited)
Old English sicer (inherited)
Old English sicor (mention)
Old English sicerian (inherited)
English sick (affix)
English -er (affix)
English sure (doublet)
English siker (alter)
English siccer (alter)
English siccar (alter)
English sickerly (link)
English sickerhood (link)
English sickerness (link)
English sitch (mention)
English sigger (alter)
English zigger (alter)
Middle English siker (inherited)
Middle English sikker (mention)
Middle English sykkere (mention)
Middle English secre (mention)
Middle English seccre (mention)
Middle English siker (inherited)
Middle English *sikeren (inherited)
Middle English sikeriez (mention)
Proto-Germanic *sikrōną (inherited)
Proto-Germanic *sīką (derived)
Proto-West Germanic *sikur (inherited)
Latin sēcūrus (derived)

English secure (doublet)
English sure (mention)
English sickerness (affix)
English siccer (mention)
English siccar (mention)
Cimbrian sichar (cognate)
Welsh sicr (cognate)
Portuguese seguro (cognate)