Countable Nouns That Start with TH and End with IS

Explore 18 verified English countable nouns starting with TH and ending with IS, including Thesis, Thrombosis, Thrombolysis, Thyroiditis, Thyrotoxicosis, Thoracentesis and Thrombophlebitis. Sort these count nouns with singular and plural forms by word length for ESL grammar practice, determiner usage, and plural spelling below, or review singular and plural count rules in our noun grammar guide.

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Starts with THA
1 words
thanatopsis
Starts with THE
5 words
thesis
thermolysis
theriomorphosis
thermopsis
thetris
Starts with THL
1 words
thlipsis
Starts with THO
4 words
thoracentesis
thoracocentesis
thoracogastroschisis
thoracoceloschisis
Starts with THR
5 words
thrombosis
thrombolysis
thrombophlebitis
thromboarteritis
thrombolymphangitis
Starts with THY
2 words
thyroiditis
thyrotoxicosis

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