supracu

Etymology:

supra + -cu

supra: (p) above, over
-cu: (b.nenoj xfik) intransitive verb marker, become, get, turn (into)

Rhyming Words not Ending in -cu

:

bonmorcu: (b) euthanasia
cucu: (b) nipple
kawcu: (b) rubber
motsukawcu: (b) eraser, rubber