invalidate is a valid English word

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

Meanings

Verb

To make invalid. Especially applied to contract law.
• The circuit court judge's ruling was invalidated by a superior judge.
To make or declare (an argument, statement, or theory) unsound or erroneous; disprove.
To render invalid; discredit.
• Telling an angry person to "calm down" can invalidate their feelings.

invalidate is a Scrabble valid word

i1n1v4a1l1i1d2a1t1e1

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

invalidate is an iScramble, QuickWords valid word

i1n2v3a4l5i6d7a8t9e10

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

Same letters words (Anagrams)

• none

Same letters plus one

• ADVENTITIAL
• DAVALINTIDE
• DEVIATIONAL
• INSALIVATED
• INVALIDATED
• INVALIDATES

Same letters minus one

• DILANIATE
• TAENIDIAL