Arlet sits next to 4 phonetic neighbors — Arlette, Arlett, and Scarlett are the closest matches by sound. Most share Arlet's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"eagle power, noble strength"
"heavenly"
"full of love"
"purity, innocence"
"the other, foreign (one)"
"bright, cheerful"
"lace-like, delicate"
"coral, sea jewel"
"dark, rich (possibly referring to the dark Adriatic waters)"
"flowing, like a stream"
"grace and drop of the sea (Maria + Anna)"
"sweet, pleasant"
"my God is Yahweh"
"honor, victory"
"warrior, army man"
"beautiful, pretty"
"queen of orchids (named after William Cattley)"
Similar sound: These names share phonetic patterns with Arlet — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic arn + lette (diminutive) origins, giving them the same cultural heritage as Arlet.
Rhythm: Arlet is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.