Each group of words have an 'unknown' common word that can go in front of or behind to make a new word. Join the two 'unknown' words together to make a compound word.
Ex:(body* - *fly - over*) + (*card - mouse* - *punch) blow+hole=blowhole
-1.(*ball - drag* - tennis*) + (body* - *ethics - *station) 7 letters
-2.(box* - *port - *pet) + (*ate - foot* - *ten) 6
-3.(*side - beg* - rob*) + (*or - *Aries - religious*) 6
-4.(*fall - *flake - *shoe) + (*date - *drill - cave*) 7
-5.(civil* - *bonnet - *lord) + (garden* - *way - foot*) 7
-6.(*mill - *corn - red*) + (spear* - *sauce - *mark) 10
7.(*house - *fern - pine*) + (*less - *coat - bottle*) 7
-8.(*dust - *board - evening*) + (*net - tropical* - lung* ) 8
-9.(*cat + *sled - *tail) + (*ding - dust* - *go) 6
-10.(*basket - *pipe - *paper) + (ice* - *lady - *slide) 9