words ending with letter 'e' will have it's comparitive form ending with 'r' and superlative form with 'st' along with 'e'.so here it is able,abler and ablest.
abler, ablest
Dative; Early Comparative; Earlier Superlative; Earliest
Comparative is more and superlative is most.
Dative :smart Comparative; Smarter Superlative; Smartest
Dative; Short Comparative; Shortert Superlative; Shortest
Adjectives ending in -able are base forms. E. g.,fashion+able - > comparative: more fashionable -> superlative: (the)most fashionable.
abler, ablest
desire-able and desireabler
abler, ablest
abler, ablest
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: shallower Superlative: shallowest
The comparative is "stricter" and the superlative is "strictest".