tailsitter is a valid English word

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

Meanings

Noun (COUNTABLE)

A vertical-takeoff aircraft whose fuselage is perpendicular to the ground at takeoff.
• Coordinate terms: flat-riser
A vertical-takeoff spacecraft whose fuselage is perpendicular to the ground at both takeoff and landing; a spacecraft that can land vertically.

tailsitter is not a Scrabble valid word

t1a1i1l1s1i1t1t1e1r1

• International English (Sowpods) - The word is not valid in Scrabble ✘
• US English (TWL06) - The word is not valid in Scrabble ✘
• 10 points

tailsitter is not an iScramble, QuickWords valid word

t1a2i3l4s5i6t7t8e9r10

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

Same letters words (Anagrams)

• none

Same letters plus one

• TAILSITTERS
• YTTRIALITES

Same letters minus one

• RATTLIEST
• TRITIATES