Going from Malay to Nepali (เคจเฅเคชเคพเคฒเฅ) has a composite linguistic distance of 89% (heuristic estimate). Below is the dimension-by-dimension breakdown.
Shared vocabulary, cognates, and loanwords.
Morphology, syntax, word order, cases.
Shared sounds and phoneme inventory.
Latin/Arabic โ Devanagari
Austronesian โ Indo-European
The 5 languages with the lowest linguistic distance from Malay:
A quick 3-question check between Malay and Nepali. No signup.