Hear a word and type it out. How many can you get right?
TAKE THE QUIZactivin
noun
ac·ti·vin
ˈak-ti-ˌvin, ak-ˈti-vən
: a glycoprotein hormone produced especially in the pituitary gland and gonads that stimulates the secretion of follicle-stimulating hormone, induces the formation of mesoderm during embryological development, and modulates the proliferation and differentiation of red-blood-cell precursors during hematopoiesis compare inhibin
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Merriam-Webster unabridged
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- Before we went to her house, Hannah told us her aunt was a flibbertigibbet.


Can you make 12 words with 7 letters?
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