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Words Starting O & Ending UM

There are 53 words, 26 phrases and 0 abbr's starting with 'O' and ending with 'UM'.

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optimum7
13 adjectiveadj
noun

• most favorable conditions or greatest degree or amount possible under given circumstances

adjective satellite

• most desirable possible under a restriction expressed or implied

outswum7
12 verbv
Valid word for Scrabble US
oakum5
11 nounn
noun

• loose hemp or jute fiber obtained by unravelling old ropes; when impregnated with tar it was used to caulk seams and pack joints in wooden ships

opossum7
11 nounn
noun

• small furry Australian arboreal marsupials having long usually prehensile tails

• nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America

omentum7
11 nounn
noun

• a fold of peritoneum supporting the viscera

osculum7
11 nounn
noun

• A small opening or orifice.

• One of the suckers on the head of a tapeworm.

• The main opening in a sponge from which water is expelled.

osmium6
10 nounn
noun

• a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known

omasum6
10 nounn
noun

• the third compartment of the stomach of a ruminant

organum7
10 nounn
noun

• A type of medieval polyphony which builds upon an existing plainsong.

• A method by which philosophical or scientific investigation may be conducted.

oestrum7
9 nounn
noun

• A biting fly of the genus Oestrus; a botfly.

• A bite or sting.

• A passion or frenzy.

• A female animal's readiness to mate; heat, rut.

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Tip: Scrabble EU allows far more words than US! Also change the max length to see more words.

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Words (1)
omnium-gatherum
Phrases (1)
os trapezoideum

15 Letter Words

Phrases (1)
ocimum basilicum

17 Letter Words

18 Letter Words

20 Letter Words

22 Letter Words

26 Letter Words

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