comparative: more compact
superlative: most compact
The comparative form of tight is "tighter". The superlative form is "tightest".
Comparative: older Superlative: oldest
Dative; Early Comparative; Earlier Superlative; Earliest
comparative : purer superlative : purest
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.