✅ Easy describes something that isn’t hard and doesn’t require effort (an easy recipe).

✅ Effortless describes something that doesn’t require effort (His guitar playing was effortless).

✅ Both of these words can also describe something that only looks as if it doesn’t require effort.

✅ Easy emphasizes inherent simpleness, whereas effortless emphasizes the learned skills that make something simple.

✅ Grammar refers to the basic elements, facts, or skills of a specific area of knowledge (This book will teach you the grammar of figure drawing).

✅ Principles are the rules or guiding philosophies of something (I went to a class on the principles of academic research).

✅ Both of these terms refer to the basic underlying knowledge that you need in order to understand a subject.

✅ Principles emphasizes the central rules and theories of a topic, whereas grammar emphasizes the fundamental basics of a topic.

✅ Tire means to exhaust somebody’s patience (I begin to tire of these theatrics).

✅ Bore means to make someone feel weary because of something dull or unexciting (I don’t want to bore anyone with my vacation stories).

✅ Tire and bore both mean to make someone feel exhausted.

✅ However, tire suggests that someone has had enough of something, even something exciting, whereas bore specifically suggests being tired of something dull.