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There are 19 words containing PTOL

OPTOLOGY	• optology n. (Rare) The study of sight. • OPTOLOGY n. the study of sight.
CRYPTOLOGY	• cryptology n. The science or study of mathematical, linguistic, and other coding patterns and histories. • cryptology n. The practice of analysing encoded messages, in order to decode them. • cryptology n. Secret or enigmatical language.
EUCALYPTOL	• eucalyptol n. (Organic chemistry) A polycyclic monoterpenoid ether, obtained from eucalyptus oil, used in perfumery… • EUCALYPTOL n. a volatile, terpene-like oil extracted from the eucalyptus, also EUCALYPTOLE.
GRAPTOLITE	• graptolite n. Any of a group of extinct aquatic colonial invertebrates, of the class Graptolithina, from the Cambrian… • GRAPTOLITE n. a characteristic Silurian fossil with an appearance almost like writing upon shales.
OPTOLOGIES	• OPTOLOGY n. the study of sight.
OPTOLOGIST	• optologist n. One who studies optology. • OPTOLOGIST n. an optician.
CRYPTOLOGIC	• cryptologic adj. Of or relating to cryptology. • CRYPTOLOGIC adj. relating to cryptology, the scientific study of codes, also CRYPTOLOGICAL.
EUCALYPTOLE	• eucalyptole n. Alternative form of eucalyptol. • EUCALYPTOLE n. a volatile, terpene-like oil extracted from the eucalyptus, also EUCALYPTOL.
EUCALYPTOLS	• eucalyptols n. Plural of eucalyptol. • EUCALYPTOL n. a volatile, terpene-like oil extracted from the eucalyptus, also EUCALYPTOLE.
GRAPTOLITES	• graptolites n. Plural of graptolite. • GRAPTOLITE n. a characteristic Silurian fossil with an appearance almost like writing upon shales.
GRAPTOLITIC	• graptolitic adj. Of or pertaining to graptolites; containing graptolites. • GRAPTOLITIC adj. related to a graptolite.
OPTOLOGISTS	• optologists n. Plural of optologist. • OPTOLOGIST n. an optician.
CRYPTOLOGIES	• cryptologies n. Plural of cryptology. • CRYPTOLOGY n. the scientific study of codes.
CRYPTOLOGIST	• cryptologist n. One who studies cryptology. • CRYPTOLOGIST n. a student of cryptology, the scientific study of codes.
EUCALYPTOLES	• EUCALYPTOLE n. a volatile, terpene-like oil extracted from the eucalyptus, also EUCALYPTOL.
STREPTOLYSIN	• streptolysin n. Any of various exotoxins that destroy red blood cells by breaking their membranes, and are produced… • STREPTOLYSIN n. an antigenic hemolysin produced by streptococci.
CRYPTOLOGICAL	• cryptological adj. Of or relating to cryptology. • CRYPTOLOGICAL adj. relating to cryptology, the scientific study of codes, also CRYPTOLOGIC.
CRYPTOLOGISTS	• cryptologists n. Plural of cryptologist. • CRYPTOLOGIST n. a student of cryptology, the scientific study of codes.
STREPTOLYSINS	• streptolysins n. Plural of streptolysin. • STREPTOLYSIN n. an antigenic hemolysin produced by streptococci.

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: 146 words
Scrabble in French: 28 words
Scrabble in Spanish: 14 words
Scrabble in Italian: 16 words
Scrabble in German: 1 word
Scrabble in Romanian: 43 words

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