Most Common Acronyms and Initialisms | Abbreviations

Most Common Acronyms and Initialisms | Abbreviations

Use of abbreviations, acronym, and initialisms is very common now a day. People like to use short terms instead of long words and phrases like USA for Unite States of America.

To make an abbreviation is the way to shorten a word, a phrase or an idea. In this article, we will learn about some common abbreviations. These abbreviations include 50 common initialisms and 20 common acronyms.

 To know about differences between abbreviation acronym and initialism, click here

Common acronyms

Most Common Acronyms and Initialisms | Abbreviations

Common Acronyms You Must Know

An acronym is a type of abbreviation that form up a new word by shortening a phrase and combining the first letter (or letters) of each word in the phrase.


AIDS: Acquired Immune Deficiency Syndrome

NASA: National Aeronautical and Space Administration

LASER: Light Amplification by Stimulated Emission of radiation

YOLO: You Only Live Once

YAHOO: Yet Another Hierarchical Officious Oracle

CAPTCHA: Completely Automated Public Turing Test to tell Computers and Humans Apart

GIF: Graphics Interchange Format

RADAR: Radio Detection And Ranging

NATO: North Atlantic Treaty Organization

ROFL: Rolling On the Floor Laughing

FAQ: Frequently Asked Questions

GIF: Graphics Interchange Format

AIDS: Acquired Immune Deficiency Syndrome

SONAR: Sound Navigation And Ranging

ZIP code: Zone Improvement Plan code

UNICEF: United Nations Children’s Fund

SIM: Subscriber Identification Module

SWAT: Special Weapons And Tactics

50 Common Initialisms

An initialism is also a sub type of abbreviation. It looks similar to an acronym in its forming structure but not exactly same. Initialisms, like acronyms, also use the first letter of each word in the phrase or sentence, but instead of combining the letters to form a new word, we pronounce each letter individually


DOA: Dead On Arrival

DOB: Date Of Birth

AKA: Also Known As

ASAP: As Soon As Possible

AWOL: Absent Without Leave

BTW: By The Way

BA: Bachelor of Arts

MA:  Master of Arts

BSC: Bachelor of Science

MSC: Master of Science

PhD: Doctor of Philosophy

CC: Carbon Copy 

BCC: Blind Carbon Copy

ETA: Estimated Time Of Arrival

BPM: Beats Per Minute

LOL: Laughing Out Loud

OMG: Oh My God! 

RIP: Rest in Peace.

CIA: Central Intelligence Agency

CPS: Child Protective Services

CSI: Crime Scene Investigation

DZ: Drop Zone

FBI: Federal Bureau of Investigation

MIA: Missing In Action

POW: Prisoner Of War

REAP: Reserve Education Assistance Program

UN: United Nations

ESL: English As A Second Language

HIV: Human Immunodeficiency Virus

IQ: Intelligence Quotient

UFO: Unidentified Flying Object

AKA: Also Known As

EOW: End of Week

EST: Eastern Standard Time

HR: Human Resources

MBA: Masters of Business Administration

PR: Public Relations

LDR: Long Distance Relationship

MLA: Modern Language Association

SWF: Single White Female

SWM: Single White Male

WWE: World Wrestling Entertainment

EPA: Environmental Protection Agency

NBC: National Broadcasting Company

SPF: Sun Protection Factor

CFO: Chief Financial Officer

HIV: Human Immunodeficiency Virus

EOD: End Of Day

NSFW: Not Safe For Work

DARE: Drug Abuse Resistance Education

UPS: Uninterruptable Power Supply

TBA: To Be Announced

IBM: International Business Machines

ESPN: Entertainment and Sports Programming Network

POTUS: President of the United States

OMG: Oh My God


DOA: Dead On Arrival

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