Countable Nouns Starting with TH and Containing OS

Explore 26 verified English countable nouns starting with TH and containing OS, including Thermos, Thrombosis, Thermostability, Thermosphere, Thermoset, Thyrotoxicosis and Theosophist. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with THE15 words
thermos
thermostability
thermosphere
thermoset
theosophist
thermosetting
thermosiphon
theosopher
therizinosaur
thermoscope
theosoph
therizinosaurus
thermostimulation
theraphosid
theriomorphosis
Starts with THI
1 words
thiosulfate
Starts with THO5 words
tholos
thoracostomy
thoracoscope
thoracogastroschisis
thoracoceloschisis
Starts with THR3 words
thrombosis
throstle
threnos
Starts with THY
2 words
thyrotoxicosis
thymosin

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