dyspnoeic vs dyspneal

dyspnoeic and dyspneal both are adjectives.

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

As adjectives, dyspnoeic and dyspneal are synonyms defined as:

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

Other synonyms of dyspnoeic include breathless, dyspneic, dyspnoeal.

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