---

All answers having "Shorten" as clue:

3 Character Answers:

---

CUT

HEM

HEW

LOP

MOW



4 Character Answers:

---

ABBR

BOIL

CLIP

CROP

EDIT

PARE

REEF



5 Character Answers:

---

ALTER

ELIDE

REHEM



6 Character Answers:

---

BRUTES

INBRED

TAKEUP



7 Character Answers:

---

ABRIDGE

CURTAIL



8 Character Answers:

---

CONTRACT

TRUNCATE



9 Character Answers:

---

TELESCOPE



10 Character Answers:

---

ABBREVIATE