Letters that make tools
s, o, l, t
are letters that make 'tools'
Words within tools
to, too, tool
are words within 'tools'
Anagrams of tools
stool, sotol, loots, lotos
are anagrams of 'tools'
Words created by adding a letter to the beginning or end of tools
stools
is a word created by adding a letter to 'tools'