stake

co-ownership, ownership, part, partnership, possession, title

collateral

handle, jackpot, kitty, pool, pot

grubstake

cofinance, refinance

advocate, aid, back, champion, endorse (also indorse), patronize, sponsor, support

maintain, nourish, provide (for)

clear, defray, discharge, foot, liquidate, pay, pay off, pay up, quit, recompense, settle, spring (for), stand

refund

bid, offer

adventure, chance, hazard, speculate, venture

endanger, imperil, jeopardize