Usually, by adding er. Fast, faster; smart, smarter; quick, quicker
As a noun and a verb, "make" does not have a comparative and superlative form.
A Geo is not comparative to a Cadillac in price or style.
Comparatives are use with adjectives or adverbs to make some kind of comparison. "Dad" is a noun and does not have a comparative form.
"Litter" is a noun and a verb and, as such, does not have a comparative degree.
A comparative for the word ineffectual is more ineffectual.
smoother is comparative of word smooth.
comparative
Sharper is the comparative form of the word sharp.
comparative
comparative
In American slang, fly can be an adjective meaning cool or in style. That would make the comparative more fly.
What's the comparative and superlative of the word "exact"