I'm not familiar with the word, but the comparative degree of an adverb is formed by placing the word "more" in front of it and the superlative degree of an adverb is formed by placing the word "most" in front of it.
The comparative is greater and the superlative is greatest.
"Bit" is a noun and a verb and, as such, does not have a comparative or superlative form.
Comparative - better Superlative - best
comparative straighter and the superlative the straightest
Comparative - cuter Superlative - cutest
comparative : purer superlative : purest
Comparative: older Superlative: oldest
Dative; Early Comparative; Earlier Superlative; Earliest
The comparative and superlativeforms of grand are: Comparative: grander Superlative: grandest
comparative - merrier superlative - merriest
comparative = sadder superlative = saddest
Comparative: shallower Superlative: shallowest
The comparative is "stricter" and the superlative is "strictest".
The comparative is greater and the superlative is greatest.
Comparative is more and superlative is most.
comparative straighter and the superlative the straightest
Comparative: thinner Superlative: thinnest