Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English floor
Old English flōr (inherited)
Welsh llawr (cognate)
German Flur (cognate)
Middle English flor (inherited)
Middle English flore (mention)
West Frisian flier (cognate)
Irish urlár (cognate)
Scottish Gaelic làr (cognate)
Proto-Germanic *flōrō (inherited)
Proto-Germanic *flōrô (mention)
Proto-Germanic *flōraz (mention)
Proto-Indo-European *pleh₂- (root)
Proto-Indo-European *pleh₂ros (inherited)
Proto-Indo-European *pleh₂- (derived)
Latin plānus (cognate)
Dutch vloer (cognate)
Swedish flor (cognate)

English ground (link)
English seafloor (compound)
English ceiling (link)
English floorcloth (compound)
English floorshow (compound)
English floorgrip (compound)
English shopfloor (compound)
English floorboard (compound)
English floorperson (compound)
English floor-walker (compound)
English underfloor (prefix)
English floormate (compound)
English floorball (compound)
English barnfloor (compound)
English subfloor (prefix)
English floorer (affix)
English nonfloor (prefix)
English floorspace (compound)
English floorless (suffix)
English floorplanning (compound)
English refloor (prefix)
English floorplate (compound)
English floorwork (compound)
English midfloor (prefix)
English floorlet (suffix)
English floorset (compound)
English floorage (suffix)
English cornfloor (compound)
English floorwalking (compound)
English floordrobe (blend)
English floormat (compound)
English floortime (compound)
English floorwards (suffix)
English floorward (suffix)
English floorcare (compound)
English floorcovering (compound)
English floorhead (compound)
English floorwise (suffix)
English floorlike (suffix)
English floorpan (compound)
Arabic أرضية (link)
Cebuano plorwaks (derived)
Welsh llawr (cognate)
German Flur (cognate)
German Flur (mention)
Galician leira (cognate)
Luxembourgish Flouer (cognate)
Latvian plāns (cognate)
German Low German Floor (cognate)
Old Norse flórr (cognate)
Polish pole (mention)
Portuguese chão (link)
Saterland Frisian Floor (cognate)
Tok Pisin plua (derived)