the kindliest
No, it is an adjective (superlative of kind).The adverb form would be most kindly (superlative of kindly).
the superlative of friendly is friendliest
The comparative form of "kindly" is "more kindly," and the superlative form is "most kindly." These forms are used to compare different levels of kindness among individuals or actions. The comparative form is used when comparing two things, while the superlative form is used when comparing three or more things.
kindlier, kindliest
Without the italics to help me, I can only offer this information in the hope that it includes what you want to know: The positive form of the superlative adjective 'kindliest' is 'kindly', and the comparative form is 'kindlier'. 'More kindly' and 'most kindly' are also acceptable forms. Confusingly, 'kindly' is both an adjective, and the adverbial form of 'kind'. One synonym for 'kindly' as an adjective is 'benign'. The comparative and superlative forms are 'more benign' and 'most benign'. 'Benign' is also a synonym for 'kind', of which the comparative and superlative forms are 'kinder' and 'kindest'.
Superlative to "More" is the word, "Most".
what is the superlative word for blue
The superlative word for heavy is "heaviest."
The superlative for the word generous is most generous.
"Grant" is a verb and a noun and, as such, does not have a superlative degree.
most beautiful
No, the superlative form is "gentlest."