Countable Nouns That Start with TH and End with SIS

Explore 13 verified English countable nouns starting with TH and ending with SIS, including Thesis, Thrombosis, Thrombolysis, Thyrotoxicosis, Thoracentesis, Thermolysis and Thoracocentesis. 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
4 words
thesis
thermolysis
theriomorphosis
thermopsis
Starts with THL
1 words
thlipsis
Starts with THO
4 words
thoracentesis
thoracocentesis
thoracogastroschisis
thoracoceloschisis
Starts with THR
2 words
thrombosis
thrombolysis
Starts with THY
1 words
thyrotoxicosis

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