Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English reef
Old English hrēof (derived)
Old English hrēofla (cognate)
German Riff (cognate)
English riff (mention)
English rib (doublet)
English riff (link)
English disreef (link)
English riffe (link)
English dandruff (link)
English reif (link)
English rief (link)
Middle English rif (inherited)
Middle English ref (derived)
Middle English hreof (mention)
Proto-Germanic *ribją (derived)
Proto-Germanic *hreubaz (derived)
Old High German riob (cognate)
Proto-Indo-European *h₁rebʰ- (root)
Proto-Indo-European *h₁rebʰ- (derived)
Proto-Indo-European *kreup- (derived)
Icelandic hrjúfur (cognate)
Low German riff (cognate)
Low German reff (mention)
Dutch rif (cognate)
Old Norse rif (derived)
Scots reif (cognate)

English reefer (suffix)
English reeve (mention)
English dandruff (link)
English reefal (suffix)
English reefpoint (compound)
English reefy (suffix)
English backreef (compound)
English forereef (compound)
English reeflike (suffix)
English reefable (suffix)
English reefage (suffix)
English reefgoby (compound)
English Reefton (affix)
English reefwide (suffix)
English Douglas Reef (compound)
English Douglass Reef (compound)
English reefwalker (compound)
Welsh rhiffio (borrowed)
Danish rev (cognate)
Danish rev (link)
German Reff (cognate)
Finnish reivi (cognate)
French ris (link)
Scottish Gaelic riof (borrowed)
Norwegian Bokmål rev (link)
Norwegian Bokmål rev (link)
Norwegian Nynorsk rev (link)
Norwegian Nynorsk rev (link)
Portuguese escolho (link)
Tok Pisin rip (inherited)