Chief and Cos

Chief noun - The main or greater part of something as distinguished from its subordinate parts.

Cos and chief are semantically related In some cases you can replace term "Cos" with "Chief", this nouns are similar.

Nearby Word: chiefly

Cos noun - Ratio of the adjacent side to the hypotenuse of a right-angled triangle.

Chief and cos are semantically related in person topic. Sometimes you can use "Chief" instead a noun "Cos", if it concerns topics such as person who manages an organization, leader of military or other organization.

Nearby Words: cosh, cosine