Letters that make heirs
s, e, h, r, i
are letters that make 'heirs'
Words within heirs
he, IRS, IR, heir, He, Ir
are words within 'heirs'
Anagrams of heirs
hires, shier, shire
are anagrams of 'heirs'
Words created by adding a letter to the beginning or end of heirs
theirs
is a word created by adding a letter to 'heirs'