kinder, kindest
heartier, heartiest
kinder, kindest
Either one.
Most super seems to be the correct expression, but the phrase is far from idiomatic.
more correct, most correct
more correct, most correct
narrowest
prettiest
more correct, most correct
more correct most correct
more correct and most correct
Comparative: both gentler and more gentle are correct Superlative: both gentlest and most gentle are correct
Kindest.
add er in comparative and add est in superlative
Kind, kinder, kindest
kinder, kindest