membrocu

become a member , join

Example:

(4) Moyte haki na organisa ji na membrocu in ergoli asosyatim cel na gardi sesu muhimxey.

Etymology:

membro + -cu

membro: (b) member
-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