[mj]

The possessive form has a long tail.

Here is the fat end of the tail, where "pyörä" (wheel) is basically used as a short term for "polkupyörä" (bicycle) in many of the cases. All of these are possessive.

pyörän huolto - bike maintenance
pyörän turvaistuin - bike safety seat (child seat)
pyörän peräkärry - bike trailer (for kids to ride in, presumably)
pyörän renkaat - bike tires
pyörän koko - wheel size
pyörän osat - bike parts
pyörän lukko - bike lock
pyörän varaosat - bike spare parts
pyörän rengas - bike tire / wheel tire
pyörän vuokraus - bike rental
pyörän korjaus - bike repair
pyörän osia - bike parts
pyörän pultit - wheel bolts


Google traffic estimator and ad tool give false results because of this long tail. Nobody would ever search for the word "pyörän" by it's self as it is missing it's subect.

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