Custodian is an occupation that starts with cu.
There are four syllables. Oc-cu-pa-tion.
Cube, cuddle, cucumber...
Engineer
usher
farmer
Writer
fireman
professor
currant
apercu.
cubcubbycubecubiclecubistcuckoocucumbercuddlecudgelcuecuffcuisineculinarycullculminateculpabilityculpableculpritcultcultivateculturalculturecumbersomecumincumquatcumulativecunningcupcupboardcupcakecupidcurcuracycuratecuratorcurbcurbsidecurecurfewcuriacuriaecuriecuriocuriouscurlcurmudgeoncurrantcurrencycurrentcurriculumcurrycursecursorcurtcurtailcurtaincurtercurtseycurtsycurvaciouscurvaturecurvecuscuscushioncuskcuspcuspidcusscustardcustodiancustodycustomcustomarycustomercutcutecutesycuteycuticlecutiecutlerycutletcuttlefish
Optometrist