Butternut squash and Winter squash

Butternut squash noun - Plant bearing buff-colored squash having somewhat bottle-shaped fruit with fine-textured edible flesh and a smooth thin rind.

Winter squash and butternut squash are semantically related. In some cases you can use "Winter squash" instead a noun phrase "Butternut squash".

Winter squash noun - Any of various plants of the species Cucurbita maxima and Cucurbita moschata producing squashes that have hard rinds and mature in the fall.

Butternut squash and winter squash are semantically related. You can use "Butternut squash" instead a noun phrase "Winter squash".