aa is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Noun (COUNTABLE AND UNCOUNTABLE)

A member of Alcoholics Anonymous.
An AA battery (energy-storage device).
Initialism of: affirmative action.

Proper noun

Initialism of: Alcoholics Anonymous: a self-supporting organization of alcoholic people.
Initialism of: Academy Awards: a recognition of excellence in cinematic achievements, given annually by the Academy of Motion Picture Arts and Sciences.
Initialism of: Addicts Anonymous.

Adjective (NOT COMPARABLE)

(military aviation) Initialism of: anti-aircraft or anti-air.
• Alternative forms: a/a, A-A, A/A
(military aviation) Initialism of: air-to-air.
(anatomy medicine) Initialism of: atlantoaxial.
• AA joint;  AA instability

Verb

(computer graphics transitive) To antialias.

aa is a Scrabble valid word

aa

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

aa is an iScramble, QuickWords valid word

aa

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• AAA
• AAB
• AAC
• AAD
• AAE
• AAF
• AAG
• AAH
• AAI
• AAJ
• AAK
• AAL
• AAM
• AAN
• AAO
• AAP
• AAQ
• AAR
• AAS
• AAT
• AAU
• AAV
• AAW
• AAX
• AAY
• AAZ
• ABA
• ACA
• ADA
• AEA
• AFA
• AGA
• AHA
• AIA
• AJA
• AKA
• ALA
• AMA
• ANA
• AOA
• APA
• AQA
• ARA
• ASA
• ATA
• AUA
• AVA
• AWA
• AYA
• AZA
• BAA
• CAA
• EAA
• FAA
• GAA
• HAA
• MAA
• NAA
• PAA
• RAA
• SAA
• TAA
• WAA
• YAA
• ZAA

Same letters minus one

• none