floppy vs lax

floppy is a noun but lax is not a noun.

Word	Noun	Adjective	Verb	Adverb
floppy	Yes	Yes	No	No
lax	No	Yes	No	No

floppy (noun)	lax (noun)
a small plastic magnetic disk enclosed in a stiff envelope with a radial slit; used to store data or programs for a microcomputer

floppy (adjective)	lax (adjective)
hanging limply	lacking in firmness or tension; not taut
	pronounced with muscles of the tongue and jaw relatively relaxed (e.g., the vowel sound in `bet')
	lacking in rigor or strictness
	emptying easily or excessively