to the backbone - Wordage.info - Free Thesaurus Tool for Word Discovery - Expanded Thesaurus, Reverse Dictionary Lookup

buttress collapse: a support usually of stone or brick; supports the wall of a building; make stronger or defensible; "buttress your thesis"; reinforce with a buttress; "Buttress the church"

pillar collapse: a fundamental principle or practice; "science eroded the pillars of superstition"; a prominent supporter; "he is a pillar of the community"

spine collapse: a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin; 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; "the title and author were printed on the spine of the book"; a small sharp-pointed tip resembling a spike on a stem or leaf

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