11 tricky word pairs that can confuse writers
They might sound similar or have a closely-related spelling, but don’t make the mistake of thinking these words are interchangeable.
The English language is full of befuddling word pairs. Here are 11 sets that can cause trouble—even for the most experienced writers and editors. (Definitions and usage guidance from Lexico and Merriam-Webster.)
1. Adverse and averse
Adverse means unfavorable or harmful.
Averse means opposed or strong disliking.
2. Biannual and biennial
A biannual event occurs twice per year.
A biennial event takes place every two years.
3. Clamor and clamber
Clamor is a loud, continuous noise, or a loud or strong demand.
Clamber means to crawl or climb in an awkward or clumsy way.
4. Cord and chord
A cord refers to a rope or a bond, an insulated electrical cable, or an anatomical structure.
A chord is a musical term for a combination of three or more musical notes played together. Chord can also refer to an emotional feeling or response.
5. Dosage vs. dose
Dosage is the amount of medicine to be taken by a patient during a period of time.
Dose is the amount taken at one time.
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