farthest
far and far and far
Further and furthest.
No, "furtherest" is not a standard word in English. The correct superlative form of "far" is "furthest."
bigger is the comparativebiggest is the superlative
Superlative to "More" is the word, "Most".
what is the superlative word for blue
The superlative word for heavy is "heaviest."
farthest
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."