quicken is a valid English word

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

Meanings

Verb

Senses relating to life or states of activity.
Senses relating to speed.
(transitive rare) To apply quicksilver (mercury) to (something); to combine (something) with quicksilver; to quicksilver.

Noun (COUNTABLE)

(chiefly Ireland Northern England) In full quicken tree: the European rowan, rowan, or mountain ash (Sorbus aucuparia). (from 15th c.)
• Synonyms: quickbeam, quick tree
(chiefly Midlands (northern) Northern England Northern Ireland Scotland) Synonym: couch grass (“a species of grass, Elymus repens”); also (chiefly in the plural), the underground rhizomes of this, and sometimes other grasses.
• Synonyms: dog grass, quackgrass, quickens, quick grass, quitch, quitch grass, scutch grass, twitch, witchgrass

quicken is a Scrabble valid word

quicken

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

quicken is an iScramble, QuickWords valid word

quicken

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

Same letters words (Anagrams)

• none

Same letters plus one

• QUICKENS

Same letters minus one

• CINQUE
• QUICKE
• QUINCE