extra is a valid English word

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

Meanings

Adjective (USUALLY NOT COMPARABLE)

(not comparable) Beyond what is due, usual, expected, or necessary; extraneous; additional; supernumerary.
• I don't mind doing some extra work, as long as I get extra pay.
(not comparable dated) Extraordinarily good; superior.
(comparable slang) Over the top; going beyond what is normal or appropriate, often in a dramatic manner.
• You unfollowed her for posting cat memes? You're so extra!

Determiner

Denotes more.
• She wants extra pickles on her burger.

Adverb (NOT COMPARABLE)

(informal) To an extraordinary degree.
• That day he ran to school extra fast.

Noun (COUNTABLE)

Something additional, such as an item above and beyond the ordinary school curriculum, or added to the usual charge on a bill.
• Synonym: addition, supplement
An extra edition of a newspaper, which is printed outside of the normal printing cycle, for example to report an important late-breaking event.
• Extra, extra! Read all about it!
(cricket) A run scored without the ball having hit the striker's bat - a wide, bye, leg bye or no ball.
• Synonyms: sundry

extra is a Scrabble valid word

extra

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

extra is an iScramble, QuickWords valid word

extra

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

Same letters words (Anagrams)

• ARTEX
• RETAX
• TAXER

Same letters plus one

• AERTEX
• AXTREE
• BAXTER
• DAXTER
• EXTRAS
• PRETAX
• SEXTRA
• TAXERS
• VERTAX
• XCARET

Same letters minus one

• AETR
• AETX
• ARET
• ATER
• RATE
• REAX
• RETA
• TARE
• TEAR
• TERA
• TRAX