voluntary

As an adjective voluntary is

done, given, or acting of one's own free will.

As an adverb voluntary is

(obsolete) voluntarily.

As a noun voluntary is

(music) a short piece of music, often having improvisation, played on a solo instrument.

As nouns the difference between voluntary and government

is that voluntary is (music) a short piece of music, often having improvisation, played on a solo instrument while government is the body with the power to make and/or enforce laws to control a country, land area, people or organization.

As an adjective voluntary

is done, given, or acting of one's own free will.

As an adverb voluntary

is (obsolete) voluntarily.

As adjectives the difference between voluntary and nonprofit

is that voluntary is done, given, or acting of one's own free will while nonprofit is not seeking to produce a profit (a financial gain).

As nouns the difference between voluntary and nonprofit

is that voluntary is (music) a short piece of music, often having improvisation, played on a solo instrument while nonprofit is an organization that exists for reasons other than to make a profit, such as a charitable, educational or service organization.

As an adverb voluntary

is (obsolete) voluntarily.

As nouns the difference between taxonomy and voluntary

is that taxonomy is the science or the technique used to make a classification while voluntary is (music) a short piece of music, often having improvisation, played on a solo instrument.

As an adjective voluntary is

done, given, or acting of one's own free will.

As an adverb voluntary is

(obsolete) voluntarily.

As adjectives the difference between voluntary and noncoercive

is that voluntary is done, given, or acting of one's own free will while noncoercive is not coercive; free of coercion.

As an adverb voluntary

is voluntarily.

As a noun voluntary

is a short piece of music, often having improvisation, played on a solo instrument.

As adjectives the difference between mandatory and voluntary

is that mandatory is obligatory; required or commanded by authority while voluntary is done, given, or acting of one's own free will.

As nouns the difference between mandatory and voluntary

is that mandatory is a person, organisation or state who receives a mandate; a mandatary while voluntary is a short piece of music, often having improvisation, played on a solo instrument.

As an adverb voluntary is

voluntarily.

As adjectives the difference between elective and voluntary

is that elective is of, or pertaining to voting or elections while voluntary is done, given, or acting of one's own free will.

As nouns the difference between elective and voluntary

is that elective is something that is option or that may be elected, especially a course of tertiary study while voluntary is a short piece of music, often having improvisation, played on a solo instrument.

As an adverb voluntary is

voluntarily.

As adjectives the difference between voluntary and kinesodic

is that voluntary is done, given, or acting of one's own free will while kinesodic is conveying motion; applied especially to the spinal cord, because it is capable of conveying both voluntary and reflex motor impulses while not being responsive to them.

As an adverb voluntary

is voluntarily.

As a noun voluntary

is a short piece of music, often having improvisation, played on a solo instrument.

As an adjective voluntary

is done, given, or acting of one's own free will.

As an adverb voluntary

is (obsolete) voluntarily.

As a noun voluntary

is (music) a short piece of music, often having improvisation, played on a solo instrument.

As a verb voluntell is

(label) to tell or force someone to do something as if voluntary; force someone to volunteer.