Severe - more severe, the most severe
Stiff - stiffer - the stiffest
Clean - cleaner - the cleanest
Empty - emptier - the emptiest
Patient - more patient - the most patient
Dry - dryer - the dryest
Tiny - tinier - the tiniest
Sterile - more sterile - the most sterile
Healthy - more healthy - the most healthy
Contagious - more contagious - the most contagious
Slight - slighter - the slightest
Kind - kinder - the kindest
Hard - harder - the hardest
Cold - colder - the coldest
Skillful - more skillful - the most skillful
Severe - more severe, the most severe
Stiff - stiffer - the stiffest
Clean - cleaner - the cleanest
Empty - emptier - the emptiest
Patient - more patient - the most patient
Dry - dryer - the dryest
Tiny - tinier - the tiniest
Sterile - more sterile - the most sterile
Healthy - more healthy - the most healthy
Contagious - more contagious - the most contagious
Slight - slighter - the slightest
Kind - kinder - the kindest
Hard - harder - the hardest
Cold - colder - the coldest
Skillful - more skillful - the most skillful