syncategorem vs categorem

syncategorem and categorem both are nouns.

Word	Noun	Adjective	Verb	Adverb
syncategorem	Yes	No	No	No
categorem	Yes	No	No	No

syncategorem (noun)	categorem (noun)
a syncategorematic expression; a word that cannot be used alone as a term in a logical proposition	a categorematic expression; a term capable of standing alone as the subject or predicate of a logical proposition