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.
There is no comparative for 'dad' 'Dad' is a noun. Datives, Comparative, and superlative adjectives and adverbs. 'Dad' is a common noun . It is also a casual word for 'father'. Casual forms of father are dad, da(r), daddy, pa, pap pa(r) , pop,
"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
Dative ; sharp Comparative ; sharper Superlative ; sharpest.
In American slang, fly can be an adjective meaning cool or in style. That would make the comparative more fly.
comparative
comparative
What's the comparative and superlative of the word "exact"