List of 14-letter words beginning with

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There are 14 fourteen-letter words beginning with PROTO

PROTOACTINIUMS	• PROTOACTINIUM n. a radioactive element that yields actinium on disintegration.
PROTOCHORDATES	• protochordates n. Plural of protochordate. • PROTOCHORDATE n. a member of the Protochordata.
PROTOHISTORIAN	• protohistorian n. One who studies protohistory. • PROTOHISTORIAN n. one who studies protohistory.
PROTOHISTORIES	• protohistories n. Plural of protohistory. • PROTOHISTORY n. the study of human beings in the times that immediately antedate recorded history.
PROTOLANGUAGES	• protolanguages n. Plural of protolanguage. • proto-languages n. Plural of proto-language. • PROTOLANGUAGE n. an assumed or recorded ancestral language.
PROTONOTARIATS	• PROTONOTARIAT n. the college constituted by the twelve apostolical prothonotaries (bishops and senior members of the curia) in Rome, also PROTHONOTARIAT.
PROTOPLANETARY	• protoplanetary adj. (Astronomy, planets) Of or pertaining to a protoplanet. • protoplanetary adj. Relating to a stage in the life of a red giant star or its protoplanetary nebula during the star’s final… • proto-planetary adj. Alternative form of protoplanetary.
PROTOPLASMATIC	• protoplasmatic adj. (Cytology) Of or relating to protoplasm. • PROTOPLASMATIC adj. of or like protoplasm, also PROTOPLASMAL, PROTOPLASMIC, PROTOPLASTIC.
PROTOPORPHYRIN	• protoporphyrin n. (Biochemistry) Any porphyrin that lacks a central metal ion. • PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin.
PROTOSPATAIRES	• PROTOSPATAIRE n. the captain of the guards at Byzantium, also PROTOSPATHAIRE, PROTOSPATHARIUS.
PROTOSPATHAIRE	• PROTOSPATHAIRE n. (historical) the captain of the guards at Byzantium, also PROTOSPATAIRE, PROTOSPATHARIUS.
PROTOTYPICALLY	• prototypically adv. In a prototypical manner. • PROTOTYPICAL adv. relating to a prototype, also PROTOTYPAL, PROTOTYPIC.
PROTOZOOLOGIES	• PROTOZOOLOGY n. the study of protozoans.
PROTOZOOLOGIST	• protozoologist n. A zoologist whose speciality is protozoology. • PROTOZOOLOGIST n. one who studies protozoology.

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 1Word.ws and WikWik.org.

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English Wiktionary: 109 words
Scrabble in French: 9 words
Scrabble in Spanish: 26 words
Scrabble in Italian: 16 words
Scrabble in German: no word
Scrabble in Romanian: 62 words

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