Behaviour/behavior is a noun.
The word behaviour is a noun. It is the way in which one behaves.
'Acceptable' is an adjective: 'He did not display an acceptable standard of behaviour.'
candour means:Nounhonesty and straightforwardness of speech or behaviour [Latin candor]
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
Alright is an adjective, and usually it is a predicate adjective.
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.