✅ Stress refers to the emphasis put on certain syllables, whether in normal speech or in poetry (He placed the stress in his words carefully, as he didn’t want to be misheard).

✅ Accent refers to the prominence of a syllable within a word in terms of length, pitch, or similar (My first name is unusual because the accent is on the first syllable rather than the second).

✅ Both of these words refer to the emphasis involved in pronouncing a word, either in an expected or unexpected way.

✅ Stress can indicate melody or a beat within poetry or music, but accent in this context indicates a regular and repeating stress pattern.

✅ 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.