Proper Nouns Ending in IS and Containing TH

Browse 7 valid English proper nouns ending in IS and containing TH, from Sothis, Ichthyornis, Lecythis, Brenthis, Xanthoxalis, Macrothelypteris and Bothriocidaris to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review capitalization rules and examples.

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Starts with B
2 words
brenthis
bothriocidaris
Starts with I
1 words
ichthyornis
Starts with L
1 words
lecythis
Starts with M
1 words
macrothelypteris
Starts with S
1 words
sothis
Starts with X
1 words
xanthoxalis

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