Thayer sits next to 3 phonetic neighbors — Thatcher, Slater, and Draper are the closest matches by sound. Most share Thayer's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"army of the people, warrior of the nation"
"bold, brave"
"God is gracious (from Shawn/Sean)"
"from the ash tree dell"
"clan name of early Arabian tribes"
"battle warrior, army in battle"
"one who cuts"
"the king"
"love"
"ray of light and land"
"steep meadow or woodland clearing"
"to glorify, worship, and give thanks to God"
"strong, powerful"
"hunter's woodland"
"short form of James, via Jacob from Ya'aqov"
"handsome, beautiful"
"unique, invented name with prince-like echoes"
"fidelity, eternity"
"strong lord"
"small flame, little fire"
Similar sound: These names share phonetic patterns with Thayer — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old German theod + hari origins, giving them the same cultural heritage as Thayer.
Rhythm: Thayer is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.