prey - easy target, victim⏎
need - requirement, require, shortfall⏎
recap - repeat, go over, give summary⏎
operate - control, use, work, function⏎
quarantine - protection, seclusion⏎
request - ask⏎
proportion - portion, part or share of a whole⏎
obsolete - outdated, disused, no longer in use⏎
rate - measure, amount, decide, estimate, price⏎