Lyncoln sits next to 4 phonetic neighbors — Lincoln, Linkin, and Linkyn are the closest matches by sound. Most share Lyncoln's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lake colony, Roman settlement by the pool"
"barn for cows, cowshed"
"war, strife"
"cascade, flowing water"
"large town, community"
"helpful"
"great woodland clearing"
"world ruler"
"gift from God, God given"
"creative variant of Cordell meaning heart's cord"
"rye clearing"
"peace-giver, one who pacifies"
"elf army (alternative theory)"
"stoneworker (via Mason root)"
"modern invented name, possibly from bay + -lan suffix"
"modern invented name"
"ruler, sovereign (Greek/Latin influence on Tyrant root)"
"army man, soldier"
"growth, abundance"
"appointed by God"
Similar sound: These names share phonetic patterns with Lyncoln — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic/Latin origins, giving them the same cultural heritage as Lyncoln.
Rhythm: Lyncoln is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.