- underpin - support from beneath
 --1 is one way to hold, support, sustain, hold up
 Sample sentence:
 Something ----s something
 
- corroborate, underpin, bear out, support - support with evidence or authority or make more certain or confirm; "The stories and claims were born out by the evidence"
 --2 is one way to match, fit, correspond, check, jibe, gibe, tally, agree
 Sample sentences:
 Somebody ----s something
 Something ----s something
 
- corroborate, underpin, bear out, support - support with evidence or authority or make more certain or confirm; "The stories and claims were born out by the evidence"