No.
deader, deadest
That is the correct spelling of the comparative adjective "cheaper" (not as expensive).
The likely word is the comparative adjective cleverer(more clever).
The comparative of heavy is "heavier" (having more weight).
The anagram is the unusual comparative adjective "duckier" (more ducky).
That is the correct spelling of the comparative adjective "heavier" (having greater weight).
worse
Further. More distant. More remote. It is a comparative.
It does not have any. Deader and deadest would be meaningless!
to say dead in hawaiian we say MAKI
There is no such term: "worse" is the comparative of the adjective bad.The superlative (most bad) is spelled worst.