-length: go to great/any/etc lengths, run the length (and breadth) of, of (un)equal length, in length, (for any) length of time, at (some/great) length
-load: load sth with/into, take a load off (your feet), a (whole) load of, loads of, a heavy load to bear/carry
-long: take a long hard look at, at long last, long way, in the long run/term, long time no see, as/so long as, long-distance, all day/week/etc long
-lot: that's your lot, have a lot on, lots of, a lot of, an awful lot, a lot on your mind, the lot, sb's lot (in life)
-money: make/earn/spend/cost/etc money, get your money's worth, put your money where your mouth is, pay good money for, made of money, for my money
-pay: pay dearly for, pay sb a compliment, pay your way, pay your (last) respects to, pay the penalty/price for, it pays to, pay rise, pay and display, pay freeze, take home pay
-poor: (come a) poor second, poor loser, poor girl/boy/etc, poor relation, a poor man's sth