The superlative form is most hospitable. This is the standard pattern: for words of several syllables, the superlative is formed by putting "most" before the word, and the comparative by putting "more" before the word.
The noun form for the adjective hospitable is hospitableness.A related noun form is hospitality.
the superlative form for movingly in most movingly
The superlative form of ancient is ancientosity
The superlative form of clean is "cleanest".
The superlative form of clean is "cleanest".
comparative - merrier superlative - merriest
The comparative form of cloudy is "cloudier". The superlative form is "cloudiest".
The superlative form of genuine is more genuine.
"Older" is the comparative form of old. The superlative form is oldest.
The superlative form of sorrowfully is most sorrowfully.
The superlative form of "softly" is "softest."
The superlative form of "busy" is "busiest."