Countable Nouns Starting with HY and Containing SI

Explore 42 verified English countable nouns starting with HY and containing SI, including Hypothesis, Hypnosis, Hypertensive, Hypersensitivity, Hydrolysis, Hysteresis and Hyperplasia. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with HYD7 words
hydrolysis
hydronephrosis
hydrogenolysis
hydrarthrosis
hydrofluosilicate
hydropneumatosis
hydrogasification
Starts with HYP24 words
hypothesis
hypnosis
hypertensive
hypersensitivity
hyperplasia
hyperextension
hypophysis
hypotensive
hyperintensity
hypostasis
hypoplasia
hypothesizer
hyposensitization
hyperkeratosis
hyperlordosis
hyperostosis
hypothesist
hyperesthesia
hyperparasite
hypervitaminosis
hypersensitization
hypsilophodon
hypersensibility
hyperparasitism
Starts with HYS
1 words
hysteresis

•Browse Countable Nouns by Letter (A to Z)

Select a starting letter to browse countable nouns
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWordsVocabulary HubPositive WordsNegative Words
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.