hole, gap, opening · aperture · hole (lack of an electron)
çekim: çoğul aukot · tamlayan aukon
köken: From Proto-Finnic *aukko (compare Estonian auk, Votic aukko), either derived from the same root as avata, aukea, or alternatively proposed to be a borrowing from Proto-Germanic *augô (“eye”).
gap between the upper front teeth, diastema · harelip · hiatus (two vowels in sequence without an intervening consonant)
çekim: çoğul séanais · tamlayan séanais
köken: Possibly from séan (“good luck”), due to the folkloric association between having a gap in the front teeth and good luck. (Compare French dents du bonheur, literally "teeth of happiness".)