Countable Nouns That Start with F and End with US
Explore 37 verified English countable nouns starting with F and ending with US, including Focus, Fetus, Fungus, Ficus, Fundus, Flatus and Flavivirus. 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.
Refine list...
Starts with FA12 words
faustus
faunus
fagus
famulus
favonius
fasciculus
falus
fatuus
falcinellus
fastus
faveolus
falcunculus
Starts with FE3 words
fetus
februarius
ferocactus
Starts with FI6 words
ficus
fiscus
filovirus
filius
fidibus
firmarius
Starts with FL4 words
flatus
flavivirus
flocculus
floccus
Starts with FO3 words
focus
foederatus
fonticulus
Starts with FR4 words
fractus
fremitus
fractostratus
fractocumulus
Starts with FU5 words
fungus
fundus
funiculus
fucus
fumulus