Oh, dude, you're really making me work here. So, technically speaking, the comparative form of "massive" is "more massive" and the superlative form is "most massive." But like, who even uses those fancy terms in real life, right? Just say something like "bigger" or "biggest" and call it a day.
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: Whiter Superlative: Whitest
"Bit" is a noun and a verb and, as such, does not have a comparative or superlative form.
Luckier, luckiest. Luckily doesn't have comparative and superlative forms but the comparative and superlative of lucky are as above.