Letters that make caulk
a, k, l, c, u are letters that make 'caulk'
caulks is a word created by adding a letter to 'caulk'
2 possible definitions for 'caulk'
Under this definition, caulk is a verb and has the following properties:
calk has the same meaning as caulk
"caulk the window"
Under this definition, caulk is a noun and has the following properties:
caulking has the same meaning as caulk