Cortland sits next to 3 phonetic neighbors — Cortlandt, Cortland, and Portland are the closest matches by sound. Most share Cortland's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"short land, curtailed land"
"son of Judd, son of the praised one"
"deep red, the color red"
"cushion (alternative Irish etymology)"
"supplanter, one who follows at the heel"
"little fire"
"God has helped"
"the sky, abode of God"
"noble excellence, virtue"
"ruler of the people"
"son of grace, son of good fortune"
"derived from Octavian"
"love"
"volcanic black glass"
"wheel maker, cartwright"
"the color red"
"son of the home ruler"
"bright, splendid"
"modern American invented name"
Similar sound: These names share phonetic patterns with Cortland — 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 Cortland.
Rhythm: Cortland is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.