colonize — If people colonize a foreign country, they go to live there and take control of it.
communize — to make (property) public; nationalize
compromise — A compromise is a situation in which people accept something slightly different from what they really want, because of circumstances or because they are considering the wishes of other people.
crocodile — A crocodile is a large reptile with a long body and strong jaws. Crocodiles live in rivers and eat meat.
dramatize — to put into a form suitable for acting on a stage.
fossilize — Geology. to convert into a fossil; replace organic with mineral substances in the remains of an organism.
optimize — to make as effective, perfect, or useful as possible.
oxidize — to convert (an element) into an oxide; combine with oxygen.
Four-or-more syllable rhymes
alligator — An alligator is a large reptile with short legs, a long tail and very powerful jaws.
alligators — either of two broad-snouted crocodilians of the genus Alligator, of the southeastern U.S. and eastern China.
apologize — When you apologize to someone, you say that you are sorry that you have hurt them or caused trouble for them. You can say 'I apologize' as a formal way of saying sorry.
democratize — If a country or a system is democratized, it is made democratic.
economize — to practice economy; avoid waste or extravagance.
homogenize — to form by blending unlike elements; make homogeneous.