13 possible answers to
Answers with 4 characters: GAIN HEAL HONE MEND Answers with 5 characters: AMEND EMEND Answers with 6 characters: BETTER ENRICH Answers with 7 characters: ENHANCE TRENDUP Answers with 8 characters: DOBETTER Answers with 9 characters: GETBETTER Answers with 10 characters: AMELIORATE