What part of speech is shortchange?

Shortchange can be categorized as a verb.

Parts of speech

1. shortchange is a verb, present, 1st person singular of shortchange (infinitive).
2. shortchange is a verb (infinitive).

Verb
shortchange - To defraud someone by giving them less change than they ought to be given after a transaction.
shortchange - To deprive someone of something for which they paid.
shortchange - To make disadvantaged by design.