About this deal
M" Oxford English Dictionary, 2nd edition (1989); Merriam-Webster's Third New International Dictionary of the English Language, Unabridged (1993); "em," op. cit.
M - Wikipedia
Archaic M was used in ancient Roman texts to abbreviate the personal name 'Manius' (A regular capital M was used for the more common personal name 'Marcus') [11] In typography, an em dash is a punctuation symbol whose width is equal to that of a capital letter M.
Scrabble Tools
In Washo, lower-case ⟨m⟩ represents a typical em sound, while upper-case ⟨M⟩ represents a voiceless em sound.
The letter H can be useful to create some two-letter words but there are some longer, high scoring words too. Here are some examples.The Roman numeral M represents the number 1000, though it was not used in Roman times. There is, however, scant evidence that the letter was later introduced in the early centuries A.D. by the Romans. [3]