psyche vs noddle

psyche and noddle both are nouns.

Word	Noun	Adjective	Verb	Adverb
psyche	Yes	No	No	No
noddle	Yes	No	No	No

As nouns, noddle is a hyponym of psyche; that is, noddle is a word with a more specific, narrower meaning than psyche:

psyche: that which is responsible for one's thoughts, feelings, and conscious brain functions; the seat of the faculty of reason
noddle: an informal British expression for head or mind

Other hyponyms of psyche include tabula rasa, ego, unconscious, unconscious mind, subconscious, subconscious mind.

psyche (noun)	noddle (noun)
that which is responsible for one's thoughts, feelings, and conscious brain functions; the seat of the faculty of reason	an informal British expression for head or mind
the immaterial part of a person; the actuating cause of an individual life