Cat-super intelligent and great looking animal

Catbat-combat

Catbative-combative

Catcern-concern

Catcerned-when one is concerned about something

Catconut-coconut

Catfused-when one is confused

Catfusing-something that is confusing

Catmunnication-communication

Catmunnicate-communicate

Catplaint-a complaint

Catplainter-one who complains

Catpliment-compliment

Catreer-career; not to be catfused with "cat rear"

Catvince-convince

Catvinced-convinced; you have catvinced me

Decat Catffee-Decaffeinated coffee