s, o, e, l, n, p, h, r, i, u are letters that make 'pull in one's horns'
OR, RN, pul, pull in, Ull, one, on, in on, in, pull, horn, IN, NE, Ho, In, Ne, Pu, Rn are words within 'pull in one's horns'
1 possible definitions for 'pull in one's horns'
Under this definition, pull in one's horns is a verb and has the following properties:
pull back, back out, back away, crawfish out, crawfish, withdraw, retreat have the same meaning as 'pull in one's horns'
withdrawal, withdrawer are derivatives of 'pull in one's horns'.
withdraw, draw back, pull away, recede, pull back, retreat, retire, move back are verb groups of 'pull in one's horns'.