Synonyms of mainstay

1 Syllable

staff, crutch, stay, strength, prop

2 Syllables

outwork, sponsor, pillar, buttress, bastion, bastions, kedge, standby, linchpin, bulwark, stirrup, brace, crutched, anchor, crutching, sinew, sponsors, anchors

3 Syllables

buttressing, sustainer, espouser, supporters, backbone, upholder, undergird, keystone, buttressed, maintainer, supporter, strengthener, godparent, buttresses

4 Syllables

underwriter, apologist, protagonist, undergirding, undergirded, standard-bearer, underwriters, standard-bearers, cornerstone