Capitalization Rules in English

Capitalization of Nouns

General Rules

• Proper Nouns: Always capitalize the first letter of proper nouns, which are names of specific people, places, organizations, and titles.
• Common Nouns: Do not capitalize common nouns, which are general terms for things, animals, and ideas.

Specific Cases

• Days of the Week: Capitalize the first letter of days of the week (e.g., Monday, Tuesday).
• Months: Capitalize the first letter of months (e.g., January, February).
• Holidays: Capitalize the first letter of holidays (e.g., Christmas, Easter).
• Titles: Capitalize titles preceding a person's name (e.g., President, Doctor).
• Geographical Features: Capitalize the first letter of geographical features (e.g., oceans, mountains, rivers).

Exceptions

• Acronyms: Capitalize all letters in acronyms (e.g., NASA, UNICEF).
• Initialisms: Capitalize the first letter of each word in initialisms (e.g., FBI, IRS).

Remember to apply these rules consistently in your writing to maintain clarity and correctness.

Capitalization of Nouns

General Rules

• Proper nouns, such as names of specific people, places, organizations, and titles, always start with a capital letter.
• Common nouns, which are general terms for things, animals, and ideas, do not start with a capital letter.

Specific Cases

• Days of the week, such as Monday and Tuesday, start with a capital letter.
• Months, such as January and February, start with a capital letter.
• Holidays, such as Christmas and Easter, start with a capital letter.
• Titles preceding a person's name, such as President and Doctor, start with a capital letter.
• Geographical features, such as oceans, mountains, and rivers, start with a capital letter.

Exceptions

• Acronyms, such as NASA and UNICEF, are capitalized in their entirety.
• Initialisms, such as FBI and IRS, have the first letter of each word capitalized.