Looking at it the words (lad and lass) are likely from old norse. I had a look at some old norse words starting with "la" and didn't find much that sounded good. Here are the best one to two syllable ones in terms of meaning and sound I could find:
Lauss means loose, free, or unimpeded
Laug means bath or hot spring
Lauf means leaf
Laun means reward or secrecy
Lax means salmon
Længæ means desire (æ is close to how you pronounce the a in lad or lass in english)
Læknir means doctor
Læsa means lock or to close
I like laun -> lan/lann. Sounds nice, even if not meaningful. A lann is running down the street.
Edit: Also you can use it like laddie and lassie: lannie
Kid and squirt have similar vibes.
Looking at it the words (lad and lass) are likely from old norse. I had a look at some old norse words starting with "la" and didn't find much that sounded good. Here are the best one to two syllable ones in terms of meaning and sound I could find:
I like laun -> lan/lann. Sounds nice, even if not meaningful. A lann is running down the street.
Edit: Also you can use it like laddie and lassie: lannie
i like lax :3
starts wiggling like a fish
Lauss sounds perfect to perfect to me.
Loose, free and unimpeded from binary gender norms looks like an accurate description.
yeah, but sounds too close to lass was my fear, and keeping the diphthong doesn't follow the pattern of lad and lass
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pal
Something with "lil" like "lil'un" (little one) maybe?
I read that as "Is there an enby version of the world" and got proper confused
Laz maybe? I don't know maybe that sounds too much like lass.