Stafford sits next to 4 phonetic neighbors — Stanford, Bradford, and Crawford are the closest matches by sound. Most share Stafford's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ford near a landing stage or wharf"
"healer"
"one who fulfills, generous"
"of the heights"
"healer, one who heals"
"absence of subjection or constraint"
"benevolence, humaneness"
"to gain, to win, to cultivate"
"distinguished one"
"God is salvation"
"gift of healing"
"supplanter, held by the heel"
"oak grove"
"cloud"
"wise protector"
"brilliantly noble"
"manly, strong, brave"
"bright, splendid"
"creative elaboration of Quinton/Quentin"
"to tame (via Damian root)"
Similar sound: These names share phonetic patterns with Stafford — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Stafford.
Rhythm: Stafford is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.