Kanon sits next to 4 phonetic neighbors — Cannon, Canon, and Caanan are the closest matches by sound. Most share Kanon's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"flower sound"
"God has helped"
"who is like God?"
"possessor, acquirer"
"beauty, grace"
"valley dweller"
"light, bringer of light"
"growth, abundance, increase"
"strife, contest"
"from Kashmir, the Himalayan paradise"
"little gift of God"
"bear-like strength (if related to arth)"
"delight, paradise (as in Eden)"
"slender, narrow"
"great one"
"letter Z sound"
"old friend"
"one who lisps or stammers"
"settlement in the brushwood"
"my God is the Lord"
Similar sound: These names share phonetic patterns with Kanon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese origins, giving them the same cultural heritage as Kanon.
Rhythm: Kanon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.