HAND is a hinge word: 7 words make a compound in front of it and 8 make one after it, so it can sit in the middle of a chain and hold two compounds together at once.
Each of these makes a compound ending in HAND.
Each of these makes a compound starting with HAND.
HAND is a body part, a unit of measurement and a verb meaning to pass something along. HANDBAG, HANDWRITING and HANDOUT each use a different sense, which is why so many words will attach to it.
These words make a compound whichever side of HAND they sit on, usually with two unrelated meanings.
Put any word from the first list in front and any word from the second behind, and you have a three-word chain in which both neighbouring pairs join. Here are some of them.
BACK → HAND → BAG — backhand and handbagBEFORE → HAND → BALL — beforehand and handballFARM → HAND → BOOK — farmhand and handbookFIRST → HAND → GUN — firsthand and handgunOFF → HAND → OUT — offhand and handoutOVER → HAND → OVER — overhand and handoverUNDER → HAND → PRINT — underhand and handprintKEYSTONE is a free daily puzzle built entirely out of chains like these. You get the two ends and have to fill the two words in the middle. Three bridges a day, no account, no cookies.
Each of these has a page like this one. There is also an index of all 60.
AWAY · BACK · BALL · BED · BLACK · BOARD · BOAT · BOOK · BOY · BREAK · CHECK · CROSS · DAY · DOOR · DOWN · FALL · FATHER · FIRE · FOOT · GROUND · GUARD · GUN · HEAD · HOOD · HOUSE · LAND · LESS · LIFE · LIGHT · LINE · LOAD · MAN · MOTHER · NIGHT · OFF · OUT · OVER · PAY · POINT · POST · POWER · ROOM · RUN · SET · SHIP · SIDE · SOME · STEP · SUN · TAKE · TIME · TURN · UNDER · WALK · WARD · WATER · WAY · WOOD · WORK