motecu

thicken (become thick)

Etymology:

mote + -cu

mote: (t) thick
-cu: (b.nenoj xfik) intransitive verb marker, become, get, turn (into)

Rhyming Words not Ending in -cu

:

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