Which of the following is a correct pair of singular and plural?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Hypnosis:Hypnoses
Plural of nouns ending in -is:
Nouns ending in -is change -is to -es in the plural. So hypnosis → hypnoses.
Why the Other Options are Incorrect?
Option 1: Piano:Pianoes — Incorrect. Piano → Pianos.
Option 2: Echo:Echose — Incorrect. Echo → Echoes.
Option 3: Halo:Halo — Incorrect. Halo → Halos.