Dash sits next to 4 phonetic neighbors — Cash, Nash, and Ash are the closest matches by sound. Most share Dash's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"to run fast, a burst of speed"
"the fifth-born child"
"faith, pledge"
"renowned warrior"
"rock, stone"
"ewe herder"
"place by the forest"
"source of joy"
"elf warrior"
"may God give increase"
"son of Jett, black gemstone"
"city of God (alternate interpretation)"
"short form of Benjamin: son of the right hand"
"prestige, luxury (cultural association)"
"bright"
"lowlands"
"yellow, golden"
"from the isle"
"son of the south"
"speed of God"
"place of hawks, kite's settlement"
Similar sound: These names share phonetic patterns with Dash — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Middle English origins, giving them the same cultural heritage as Dash.
Rhythm: Dash is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.