amateur

As adjectives the difference between amateur and immature

is that amateur is non-professional while immature is not fully formed or developed, unripe, not mature.

As a noun amateur

is a lover {{term|of}} something.

As nouns the difference between amateur and experimenter

is that amateur is a lover {{term|of}} something while experimenter is a person who experiments.

As an adjective amateur

is non-professional.

As nouns the difference between amateur and junior

is that amateur is a lover {{term|of}} something while junior is a younger person.

As adjectives the difference between amateur and junior

is that amateur is non-professional while junior is younger.

As adjectives the difference between amateur and naive

is that amateur is non-professional while naive is lacking worldly experience, wisdom, or judgement; unsophisticated.

As a noun amateur

is a lover {{term|of}} something.

As nouns the difference between amatuer and amateur

is that amatuer is while amateur is .

As a noun amateur

is .

As an acronym cow is

(computing).

As nouns the difference between amateur and veteran

is that amateur is a lover {{term|of}} something while veteran is a person with long experience of a particular activity.

As adjectives the difference between amateur and veteran

is that amateur is non-professional while veteran is having had long experience, practice, or service.

As a proper noun Veteran is

a village in Alberta, Canada.

As nouns the difference between taxonomy and amateur

is that taxonomy is the science or the technique used to make a classification while amateur is .

As nouns the difference between amateur and basic

is that amateur is a lover {{term|of}} something while basic is a necessary commodity, a staple requirement.

As adjectives the difference between amateur and basic

is that amateur is non-professional while basic is necessary, essential for life or some process.

As a proper noun BASIC is

a family of third-generation programming languages (c.1964 on).