freewheeler vs free spirit

freewheeler and free spirit both are nouns.

Word	Noun	Adjective	Verb	Adverb
freewheeler	Yes	No	No	No
free spirit	Yes	No	No	No

As nouns, freewheeler and free spirit are synonyms defined as:

freewheeler and free spirit: someone acting freely or even irresponsibly

Other synonyms of freewheeler include free agent.

freewheeler (noun)	free spirit (noun)
someone acting freely or even irresponsibly	someone acting freely or even irresponsibly