different between useless vs profitless

English

From use +? -less.

useless (comparative more useless or uselesser, superlative most useless or uselessest)

Without use or possibility to be used.
Unhelpful, not useful; pointless (of an action).
(derogatory, of a person) Good-for-nothing; not dependable.
(colloquial, of a person) Unable to do well at a particular task or thing. Useless is mildly insulting.

profit +? -less

profitless (comparative more profitless, superlative most profitless)

not yielding profit
- 1600, Shakespeare, Much Ado About Nothing, [1]:
  I pray thee, cease thy counsel,
  Which falls into mine ears as profitless
  As water in a sieve...

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