Echoes or echos can seem confusing because English words ending in -o do not all form plurals in the same way. In most modern writing, echoes…

Dwarfs or dwarves are both accepted plural forms of dwarf, but they are not always equally natural. In most general, scientific, botanical,…

Dreamed or dreamt are both correct past forms of the verb dream. They have the same basic meanings. Both can describe images experienced…

Coaches or coachs is a spelling question with one clear answer: coaches is correct. Use it when you mean more than one coach. The form coachs…

Calfs or calves can seem confusing because many English nouns form their plurals by adding -s. However, the standard plural of calf is calves.…

Begun or began are both correct forms of the irregular verb begin, but they serve different grammatical purposes. Use began as the simple past…

Awhile or a while are both correct, but they do different grammatical work. Awhile is an adverb meaning “for a period of time.” A while is a…

Bachelor’s degree or bachelors degree is a question about apostrophe use, not two acceptable spelling variations. The standard form is…

Appendixes or appendices is a common spelling question because English accepts both forms as plurals of appendix. The best choice depends…

“Anyway” is the grammatically correct form in standard English. “Anyways” shows up constantly in casual speech, so…