Cyan sits next to 5 phonetic neighbors — Ryan, Ian, and Kyan are the closest matches by sound. Most share Cyan's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"blue-green color"
"rock, stone"
"gift of God (from Armenian/Hebrew Zaven)"
"who is like God?"
"one who heals"
"Charles's settlement"
"friend, darling"
"strong will, brave resolve"
"young person, noble youth"
"tumult, noise"
"crooked, winding"
"little fire (interpretive)"
"the shining one"
"bone"
"possessor, acquirer"
"intelligent one"
"not known, unidentified"
"creative American coinage"
"youth-producing"
"beginning, origin, creation"
"enduring, steadfast"
Similar sound: These names share phonetic patterns with Cyan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Cyan.
Rhythm: Cyan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.