tackless is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

Without tacks.
• a tackless strip for securing carpeting

tackless is a Scrabble valid word

t1a1c3k5l1e1s1s1

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

tackless is not an iScramble, QuickWords valid word

t1a2c3k4l5e6s7s8

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 36 points

Same letters words (Anagrams)

• SLACKEST

Same letters plus one

• KASTELICS
• KLATSCHES
• SALTCAKES
• STACKLESS
• THACKLESS
• TICKLEASS
• TRACKLESS

Same letters minus one

• ACTLESS
• CASKETS
• CASTELS
• CASTLES
• CATLESS
• KASTLES
• LACKEST
• LASKETS
• SACKETS
• SCALEST
• SCLATES
• SLAKEST
• TACKLES