zeroth is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

(mathematics) In the initial position in a sequence whose elements are numbered starting at zero; the ordinal number corresponding to zero.
• The zeroth order polynomial approximation is constant.
Corresponding to a position preceding the first.
• A and C are in equilibrium following the Zeroth Law of Thermodynamics.

zeroth is a Scrabble valid word

z10e1r1o1t1h4

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

zeroth is an iScramble, QuickWords valid word

z1e2r3o4t5h6

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

Same letters words (Anagrams)

• none

Same letters plus one

• TROCHEZ
• ZEROETH

Same letters minus one

• HERTZ
• HETRO
• OTHER
• ROTHE
• THROE
• TOHER
• TOZER