colloquialism vs backbone

colloquialism and backbone both are nouns.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
backbone	Yes	No	No	No

colloquialism (noun)	backbone (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	the part of a network that connects other networks together
	the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved
	fortitude and determination
	the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
	a central cohesive source of support and stability