The plural of activity of activities.
activities
Shelves
Buffalos
Mitochondria
cargoes or cargos
sheep, it doesn't change.
Children or kids
Crises -- pronounced krahy- - seez
oxen - eg. a team of oxen pulled the plough
Successes is the plural form of the noun success.
phenomenons; for example, they were hit with many phenomenons. :) hope this helpss :D
The plural form of the singular noun notch is notches.
In Spanish, nouns can be singular or plural. The ending of a noun often changes to indicate plural form. For example, "gato" (cat) becomes "gatos" in plural form.