dizzy vs light-headed

dizzy and light-headed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dizzy	No	Yes	Yes	No
light-headed	No	Yes	No	No

As adjectives, dizzy and light-headed are synonyms defined as:

Other synonyms of dizzy include airheaded, empty-headed, featherbrained, giddy, lightheaded, silly.

dizzy (adjective)	light-headed (adjective)
lacking seriousness; given to frivolity	lacking seriousness; given to frivolity
having or causing a whirling sensation; liable to falling	weak and likely to lose consciousness

dizzy (verb)	light-headed (verb)
make dizzy or giddy