List of 13-letter words ending with

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There are 12 thirteen-letter words ending with RONS

ANTIELECTRONS	• antielectrons n. Plural of antielectron. • ANTIELECTRON n. the antimatter equivalent of an electron.
CHILIAHEDRONS	• chiliahedrons n. Plural of chiliahedron. • CHILIAHEDRON n. (Greek) a one-thousand sided solid figure.
DODECAHEDRONS	• dodecahedrons n. Plural of dodecahedron. • DODECAHEDRON n. (Greek) a twelve-sided solid figure.
HYMENOPTERONS	• hymenopterons n. Plural of hymenopteron. • HYMENOPTERON n. an order of insect having four membranous wings, e.g. ants, bees, wasps, also HYMENOPTERAN.
LEPIDOPTERONS	• lepidopterons n. Plural of lepidopteron. • LEPIDOPTERON n. any of numerous insects of the order Lepidoptera, typically having two pairs of wings covered with fragile scales, also LEPIDOPTERAN.
LIRIODENDRONS	• liriodendrons n. Plural of liriodendron. • LIRIODENDRON n. the tulip tree.
NYCHTHEMERONS	• nychthemerons n. Plural of nychthemeron. • NYCHTHEMERON n. (Greek) a full period of a day and night.
PHILODENDRONS	• philodendrons n. Plural of philodendron. • PHILODENDRON n. any of various aroid plants cultivated for their showy foliage.
PHOTONEUTRONS	• photoneutrons n. Plural of photoneutron. • PHOTONEUTRON n. a neutron emitted from a nucleus as a result of photodisintegration.
PYRITOHEDRONS	• pyritohedrons n. Plural of pyritohedron. • PYRITOHEDRON n. a pentagonal dodecahedron.
RHODODENDRONS	• rhododendrons n. Plural of rhododendron. • RHODODENDRON n. any of a genus of widely cultivated shrubs and trees of the heath family.
RHOMBOHEDRONS	• rhombohedrons n. Plural of rhombohedron. • RHOMBOHEDRON n. a parallelepiped whose faces are rhombuses.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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English Wiktionary: 45 words
Scrabble in French: 1038 words
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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