prettier
prettier, prettiest
prettier, prettiest
word comparative superlative pretty prettier prettiest hungry hungrier hungriest sad sadder saddest
The word prettier is an adjective. It describes something that is more pretty.
For the adjective "pretty" -- prettier is the comparative, and prettiest is the superlative.
"Litter" is a noun and a verb and, as such, does not have a comparative degree.
Prettier the prettiest
prettier prettiest
A comparative for the word ineffectual is more ineffectual.
smoother is comparative of word smooth.
Perhaps you mean the comparative form: the comparative form of the adjective pretty is prettier. (The superlative form is prettiest, but comparative sounds more like cumulative.)
comparative