backbone Synonyms - page 4

bravery acantha gameness quiddity nidus neuraxis nerve navel moraine mettle marrow manliness maintainer lustiness nonresistance nucleolus props pricker potence pluckiness pluck pith pillared pillar persistence perseverance longanimity lodestone hogback heroism heart headstrongness hardiness gut groundsill groundsel grittiness gritstone humerus inbeing loadstone lifeblood keelson keel iron inwardness intrepidity inhesion indefatigableness indefatigability