yoga – n. a system of exercises for mental and physical health

pancake – n. a thin, flat, round cake that is made by cooking batter on both sides in a frying pan or on a hot surface

distinguish – v. to notice or recognize a difference between people or things

modal verb – n. a verb (such as can, should, will, and would) that is usually used with another verb to express ideas

ghost – n. the soul of a dead person thought of as living in an unseen world or as appearing to living people

accustomed – adj. : familiar with something so that it seems normal or usual

sitter – n. a person who takes care of a child while the child's parents are away