The comparative forms of "suitable" are "more suitable" and "less suitable".
The superlative forms of "suitable" are "most suitable" and "least suitable".
The comparative forms of "suitable" are "more suitable" and "less suitable". The superlative forms of "suitable" are "most suitable" and "least suitable".
The preferred comparative form is more suitable and the superlative form is most suitable. Suitabler and suitablest are grammatically correct, though they may sound wrong to some people. Abler and ablest are the normal degrees of able. Only the pouty prim insist on "more able."
Dative; cloudy Caomparative; cloudier Superlative ; cloudiest
comparative : purer superlative : purest
Comparative: older Superlative: oldest
The comparative and superlativeforms of grand are: Comparative: grander Superlative: grandest
Dative; Early Comparative; Earlier Superlative; Earliest
comparative - merrier superlative - merriest
comparative = sadder superlative = saddest
The comparative is "stricter" and the superlative is "strictest".
Comparative: shallower Superlative: shallowest
The comparative is greater and the superlative is greatest.