add on

Verb add on has 2 senses

• add on(v = verb.change) - make an addition; "Let's add on to this"
is one way to add
Derived form noun add-on₁
Sample sentence:
Somebody ----s something

• add on(v = verb.contact) affix, append, supplement - add to the very end; "He appended a glossary to his novel where he used an invented language"
is one way to attach
Derived form noun add-on₂
Sample sentences:
Somebody ----s something
Somebody ----s something to somebody