Kotex vs sanitary napkin

Kotex and sanitary napkin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kotex	Yes	No	No	No
sanitary napkin	Yes	No	No	No

As nouns, Kotex and sanitary napkin are synonyms defined as:

Kotex and sanitary napkin: a disposable absorbent pad (trade name Kotex); worn to absorb menstrual flow

Other synonyms of Kotex include sanitary towel.

Kotex (noun)	sanitary napkin (noun)
a disposable absorbent pad (trade name Kotex); worn to absorb menstrual flow	a disposable absorbent pad (trade name Kotex); worn to absorb menstrual flow