Linkoln sits next to 4 phonetic neighbors — Lincoln, Linden, and Landon are the closest matches by sound. Most share Linkoln's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lake colony, settlement by the pool"
"handsome, well-born"
"the realization that every stranger has a full and vivid life"
"God is good"
"firm belief in reliability"
"from Denmark, a Dane"
"sharp, precise, swift (symbolic interpretation)"
"place of meeting"
"young warrior"
"from Żagań (city in Poland)"
"fire of God"
"modern creative compound: Ke- + Andre"
"the great beast, tiger"
"watchman, alert"
"hill"
"small flock, family group"
"variant spelling of Caden/Kaden"
"of the Adriatic, the dark sea"
"small flame, little fire"
"light, illumination"
Similar sound: These names share phonetic patterns with Linkoln — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English/Latin origins, giving them the same cultural heritage as Linkoln.
Rhythm: Linkoln is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.