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15-Letter Words Starting With ORTHO

  • 8 words
  • All English dictionaries
  • Scrabble points
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All 15-Letter Words Starting With ORTHO 8 words

How common is ORTHO at the start of fifteen-letter words?

Our combined English word list has 8 fifteen-letter words that start with ORTHO. They average 26 points and the best is ORTHOPSYCHIATRY (31 points).

Total words
8
Average Scrabble score
26
out of 31 max
Everyday words
0%
common in ordinary English
Most common ending
G
25% of words

Most common last letters

  • g 25%
  • s 25%
  • y 25%

Top vowel pairs

  • ia12.5%
  • ie12.5%

Share of words where these two vowels sit side by side.

Rare words worth knowing

Valid in this dictionary but rarely seen in everyday English.

Highest-scoring fifteen-letter word that starts with ORTHO

o 1r 1t 1h 4o 1p 3s 1y 4c 3h 4i 1a 1t 1r 1y 4

O 1 + R 1 + T 1 + H 4 + O 1 + P 3 + S 1 + Y 4 + C 3 + H 4 + I 1 + A 1 + T 1 + R 1 + Y 4 = 31 points

Double word
62 pts
Triple word
93 pts

Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).

orthopsychiatry

No dictionary definition on file. This is a valid game word that standard dictionaries rarely cover.

  • Scrabble US
  • Scrabble UK
  • Words With Friends

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Words starting with ORTHO by length

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15-Letter Words Starting With ORTHO by the numbers

15-Letter Words Starting With ORTHO FAQ

How many fifteen-letter words that start with ORTHO are there?

There are 8 fifteen-letter words that start with ORTHO in our combined English word list. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.

What is the highest-scoring fifteen-letter word that starts with ORTHO?

ORTHOPSYCHIATRY is worth 31 points in Scrabble before any bonus squares. Other strong options are ORTHOPHOSPHORIC (30), ORTHOGONALIZING (29), ORTHOPHOSPHATES (28).

Which rare fifteen-letter words that start with ORTHO score well?

Uncommon but valid choices include ORTHOPHOSPHORIC (30), ORTHOGONALIZING (29), ORTHOPHOSPHATES (28), ORTHOCHROMATISM (27). Few players know them, so they can catch an opponent off guard.