preliminary is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

In preparation for the main matter; initial, introductory, preparatory.
• Synonym: initial, introductory, preparatory

Noun (COUNTABLE)

A preparation for a main matter; an introduction.
Any of a series of sports events that determine the finalists
A relatively minor contest that precedes a major one, especially in boxing

preliminary is a Scrabble valid word

preliminary

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

preliminary is an iScramble, QuickWords valid word

preliminary

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

Same letters words (Anagrams)

• none

Same letters plus one

• PRELIMINARLY

Same letters minus one

• PYRILAMINE