* Vocal: relating to the voice
* Vocational: relating to a job or profession
* Advocate: a person who publicly supports or recommends a particular cause or policy
* Vocation: a strong feeling of suitability for a particular career or way of life
* Invoke: to call upon (a deity, spirit, or power) for help or protection; to cite as an example or reason
* Evoke: to bring or recall (a feeling, memory, or image) to the mind
* Provoke: to stimulate or give rise to (a reaction or emotion, typically a negative one)
* Revoke: to officially cancel or withdraw (a decision, agreement, or permission)
* Convoke: to call together, especially for a formal meeting
* Avocation: a hobby or other activity that one pursues in addition to one's regular work