A synonym for good is fine
this website sucks eggs
See related links for several free online thesauruses and synonym finders.
Fridge is a good synonym to use.
Disperse is a good synonym for scatter.
Sprout is a good synonym.
A synonym for immobile is immovable. An antonym for immobile is mobile.
culture would be a good synonym for religion
"Plunder" would be a good synonym.
It really depends on which software or website you are using, but a synonym is usually found in a thesaurus.
nice
good