Lemon sits next to 3 phonetic neighbors — Lemon, Lennon, and Leona are the closest matches by sound. Most share Lemon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the lemon fruit"
"rain, refreshment"
"helpful, descendant of the helpful one"
"water spirit (possible classical influence)"
"vale, lowland"
"grace of the earth-worker"
"rose flower, beauty"
"salt works, salt flats"
"light, shining"
"modern invented name, possibly of the forest"
"box tree meadow"
"the sable marten"
"noble, honorable"
"respectable, virtuous"
"of the rivers"
"strength, valor"
"variant of Presley (Elvis surname)"
"vigilant, watchful"
"noble and devoted to God (possible interpretation)"
"creative spelling of Jolie"
"garden of God, God's vineyard"
Similar sound: These names share phonetic patterns with Lemon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic laymun via Old French origins, giving them the same cultural heritage as Lemon.
Rhythm: Lemon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.