17 possible answers to
Answers with 4 characters: SPAN Answers with 5 characters: ADDON REACH RENEW SPLAY WIDEN Answers with 6 characters: DILATE OUTLIE SPREAD Answers with 7 characters: ADDONTO BROADEN PROLONG STRETCH Answers with 8 characters: ELONGATE PROTRACT Answers with 9 characters: PROPAGATE Answers with 10 characters: OUTSTRETCH