masterwork is a valid English word

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

Meanings

Noun (COUNTABLE)

A piece done to prove possession of skill sufficient to be ranked a master.
A piece of quality, indicative of having been made by a master; a masterpiece.
(obsolete) An act of primary importance.

masterwork is a Scrabble valid word

m3a1s1t1e1r1w4o1r1k5

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

masterwork is an iScramble, QuickWords valid word

m1a2s3t4e5r6w7o8r9k10

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

Same letters words (Anagrams)

• STREAMWORK
• WORKMASTER
• WORKSTREAM

Same letters plus one

• MASTERWORKS
• MEATWORKERS
• STREAMWORKS
• TEAMWORKERS
• WORKMASTERS
• WORKSTREAMS

Same letters minus one

• MARKETORS
• MEATWORKS
• SMEARWORT
• STORMWEAR
• WORKMATES
• WORKRATES