The plural form of "tablespoon" is "tablespoons."
Tablespoons is already the plural for the singular tablespoon.
Both kilometre and its plural kilometres is abbreviated as km.
M. monsieur (singular) is abbreviated: m. (no 'r') messieurs (plural) is abbreviated: mm.
IQs is the abbreviated plural of Intelligence Quotient
Madame is abbreviated "mme". The irregular plural "mesdames" is abbreviated "mmes".
I was taught in grammar class that singular is abbreviated to "sing." while plural is abbreviated to "plur."
it is Mister's. If it was abbreviated Mr's.
"Miss" in French is "Mademoiselle" (abbreviated as "Mlle") and "Mister" is "Monsieur" (abbreviated as "M.").
Mrs is "madame" in French. The abbreviation is 'mme'. The (irregular) plural is "mesdames", abbreviated 'mmes'
4 tablespoons weigh about 4 ounces. What they hold is entirely different.
monsieur is abbreviated "m." messieurs (the irregular plural form of monsieur) is abbreviated "mm." on a letter or business card: monsieur et madame DUPONT > m. et mme DUPONT - madame > mme, plural: mesdames > mmes - mademoiselle > mlle, plural: mesdemoiselles > mlles