Which language have most number of letters?

It's tricky to definitively say which language has the "most" letters, as it depends on how you define "letter".

Here's a breakdown of some factors to consider:

* Alphabets vs. Writing Systems: Some languages use alphabets (like English) where each symbol represents a single sound. Others use syllabic systems (like Japanese) where symbols represent syllables, or logographic systems (like Chinese) where characters represent whole words or concepts.

* Diacritics and Special Characters: Many languages use diacritics (marks above or below letters) to change pronunciation or add special sounds. Some have additional characters beyond the basic alphabet.

* Letter Counts: Some languages, like English, have 26 letters in their basic alphabet, while others have more, like Finnish (29).

However, it's incorrect to simply count the number of letters in an alphabet to determine which language has the most. Some languages with larger alphabets may have fewer distinct sounds, while others with smaller alphabets may have complex pronunciation rules.

Ultimately, the concept of "most letters" is subjective and depends on how you define "letter" and "language".