taskmaster is a valid English word

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

Meanings

Noun (COUNTABLE)

Someone who supervises workers, especially one who imposes hard or burdensome work.
(figuratively) A source of hard work or responsibility.

taskmaster is a Scrabble valid word

t1a1s1k5m3a1s1t1e1r1

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

taskmaster is an iScramble, QuickWords valid word

t1a2s3k4m5a6s7t8e9r10

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

Same letters words (Anagrams)

• none

Same letters plus one

• TASKMASTERS
• TASTEMAKERS
• TOASTMAKERS

Same letters minus one

• KASETSART
• METATASKS