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9-Letter Words Ending in ONIUM

  • 9 words
  • All English dictionaries
  • Scrabble points
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Popular 9-Letter Words Ending in ONIUM

The most familiar words on this list, with their Scrabble scores.

All 9-Letter Words Ending in ONIUM 9 words

How common is ONIUM at the end of nine-letter words?

Our combined English word list has 9 nine-letter words ending in ONIUM. They average 16.6 points and the best is ZIRCONIUM (22 points).

Total words
9
Average Scrabble score
16.6
out of 22 max
Everyday words
11%
common in ordinary English
Most common first letter
H
22.2% of words

Most common first letters

  • h 22.2%
  • p 22.2%
  • c 11.1%

Top vowel pairs

  • iu100%
  • eu11.1%
  • ia11.1%

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 nine-letter word ending in ONIUM

z 10i 1r 1c 3o 1n 1i 1u 1m 3

Z 10 + I 1 + R 1 + C 3 + O 1 + N 1 + I 1 + U 1 + M 3 = 22 points

Double word
44 pts
Triple word
66 pts

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

zirconium

  1. nouna lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon
  • Scrabble US
  • Scrabble UK
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Words ending in ONIUM by length

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9-Letter Words Ending in ONIUM by the numbers

9-Letter Words Ending in ONIUM FAQ

How many nine-letter words ending in ONIUM are there?

There are 9 nine-letter words ending in ONIUM 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 nine-letter word ending in ONIUM?

ZIRCONIUM is worth 22 points in Scrabble before any bonus squares. Other strong options are DIAZONIUM (21), HYDRONIUM (18), HARMONIUM (16).

Which rare nine-letter words ending in ONIUM score well?

Uncommon but valid choices include HYDRONIUM (18), CARBONIUM (15), PURDONIUM (14), SULFONIUM (14). Few players know them, so they can catch an opponent off guard.