nycturia

As a noun nycturia

is nocturia.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between nycturia and fa

is that nycturia is nocturia while fa is a syllable used in solfège to represent the fourth note of a major scale.

As an initialism FA is

football Association esp English Football Association see also Scottish FA and Welsh FA.

As nouns the difference between nocturia and nycturia

is that nocturia is a frequent need to arise during the night in order to urinate while nycturia is nocturia.