Grade 5 - Number of Nouns

What is the correct plural form of criterion?

• criteria

• criterion

What is the correct plural form of basis?

• basises

• bases

• base

• basis

What is the correct plural form of genius (spirit)?

• geniuses

• genii

• genie

What is the correct plural form of genius (intelligent person)?

• geniuses

• genii

• genie

What is the correct plural form of 1990?

• 1990s

• 1990

• 1990's

What is the correct plural form of sister-in-law?

• sister-in-laws

• sisters-in-law

What is the correct plural form of genetics?

• geneticses

• genetics

What is the correct plural form of DARB?

• DARB'S

• DARBs

What is the correct plural form of datum (reasoning or inference)?

• datums

• datas

• data

What is the correct plural form of jewelry?

• jewelries

• jewelry

• jewelrys