✅ Wool refers to the fiber made from the coats of animals such as sheep, goats, and alpacas. It also refers to this fiber when spun or the warm fabric made from this fiber (Pieces of wool stuck to the fence).

✅ Yarn refers to any thread made from natural or synthetic fiber that is used in knitting, crochet, and similar crafts (My cat loves playing with yarn).

✅ Wool can also refer to any fiber that resembles the fiber from animals (vegetable wool; steel wool), whereas yarn typically refers to the length of the fiber and not the material (This project will take several balls of yarn).

✅ Grade means to separate and classify a set of things according to a given scale (We need to grade the diamonds before we use them).

✅ Sort means to organize and classify things, especially to put them into defined groups (I sorted the coffee cups by size).

✅ Sort and grade both mean to classify something.

✅ Sort emphasizes organization, whereas grade emphasizes assigning a value.

✅ Jabber means to talk in a rapid, incoherent way (I start to jabber when I get nervous).

✅ Babble means to talk foolishly or irrationally (The baby babbled at the puppy; I babbled on about my ailments).

✅ Both of these words suggest speaking in a confused and nonsensical way. This can suggest baby talk but can also suggest speech that is disorganized due to embarrassment or nervousness.