Teegan sits next to 4 phonetic neighbors — Teagan, Tegan, and Reagan are the closest matches by sound. Most share Teegan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little poet; philosopher"
"graceful warrior"
"little king"
"completion, eternity"
"son of John (God is gracious)"
"sun and sea (Hawaiian compound)"
"God is my reward"
"my God is Yahweh"
"warrior (via samurai resonance)"
"gift of God"
"God has given, gift of God"
"rye clearing, wood clearer"
"to heal"
"from the Savoy region (French place name)"
"lake dweller, one from the lake"
"temple of the soul of Ptah"
"God is gracious, son of Jack"
"bold, daring"
"from the River Aire"
"that which one believes"
Similar sound: These names share phonetic patterns with Teegan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish/Gaelic origins, giving them the same cultural heritage as Teegan.
Rhythm: Teegan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.