accidental
Pertaining to accident and not essence; thus, inessential; incidental; secondary.
Nonessential to something's inherent nature (especially in Aristotelian thought).
Adjusted by one or two semitones, in temporary departure from the key signature.
Occurring sometimes, by chance; occasional.
Happening by chance, or unexpectedly; taking place not according to the usual course of things; by accident, unintentional.
Being a double point with two distinct tangent planes in 4-dimensional projective space.
Thesaurus
Sound Patterns & Rhymes
Rhymes
Words that share the same ending sound pattern
Alliteration
Words starting with the same consonant sound — used in poetry and prose to create rhythm, emphasis, and memorable phrasing (e.g. “Peter Piper picked”)
Assonance
Words sharing similar vowel sounds regardless of starting letter — creates internal melody in writing