Riot sits next to 3 phonetic neighbors — Wyatt, Rhett, and Rye are the closest matches by sound. Most share Riot's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"noisy disturbance, civil commotion"
"powerful spearman"
"strong, virtuous, honorable"
"great fort, spacious hill"
"the victorious one"
"free one"
"people's champion"
"soaring vessel, sky wanderer (symbolic)"
"diminutive of Scott"
"light, illumination"
"emperor, supreme ruler"
"light"
"soaring, high-flying"
"young male horse"
"broad valley"
"no one equals God"
"creative elaboration of Finn"
"thatcher, roof builder"
"of the raven, raven-like"
"God has built, Yahweh has built"
Similar sound: These names share phonetic patterns with Riot — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French riote origins, giving them the same cultural heritage as Riot.
Rhythm: Riot is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.