dyspneic vs dyspnoeic

dyspneic and dyspnoeic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dyspneic	No	Yes	No	No
dyspnoeic	No	Yes	No	No

As adjectives, dyspneic and dyspnoeic are synonyms defined as:

dyspneic and dyspnoeic: not breathing or able to breathe except with difficulty

Other synonyms of dyspneic include breathless, dyspneal, dyspnoeal.

dyspneic (adjective)	dyspnoeic (adjective)
not breathing or able to breathe except with difficulty	not breathing or able to breathe except with difficulty