Synonyms of undergird

1 Syllable

found, crutch, bear, stay, bed, strut, base, hold, prop, stand, ground

2 Syllables

poise, bottom, buttress, upbear, embed, mainstay, brace, crutched, uphold, shore, bolster, sustain, crutching, cradle, carry, shoulder

3 Syllables

reinforce