Different is an adjective and does not change. The corresponding nouns are:
difference - plural form differences
differentness - plural form differentnesses
Saving and Savings are both different words with totally different meanings. Neither word has a plural.
The plural of vinegar is vinegars. As in "There are different types of vinegars".
The adjective 'different' can be used before a singularor a plural noun.The adjective 'different' can also function as a predicate adjective (subject complement) following a linking verb, or an object complement, where it may not be followed by a noun at all.Examples:Now, that's a different idea. (singular noun)It's hard to choose form all the different styles. (plural noun)Their personalities are very different. (predicate adjective, plural noun)What an unusual story, different. (object complement, singular noun)
Sheriff and gulf are different singular nouns, so it stands to reason that they would be different plural nouns. If you're asking why their plurals are formed differently, they aren't.
The plural form of the noun blanket is blankets.The plural possessive form is blankets'.Example: All of the blankets' colors are different.
The plural form for the noun mouse is mice.The plural form mice is an irregular plural, a noun that forms the plural in a different way than adding an -s or an -es to the end of the word.
Saving and Savings are both different words with totally different meanings. Neither word has a plural.
The plural of vinegar is vinegars. As in "There are different types of vinegars".
Which word has three different acceptable ways to form the plural
The plural of grass is grasses. As in "there are different species of grasses".
The plural form is topsoils, a word for different types of topsoil.
Opposite means unlike or different. It is an Adjective. The plural of opposite is opposites.
The plural of frequency is frequencies. As in "radio waves travel on different frequencies".
There are different heavens for different religions. Heavens.
The plural form of habitat is habitats, e.g. "There are many different habitats on that island."
The plural of ton is tons. Just for the record, the word tonne is a different measurement.
The plural possessive of "lady" is "ladies'." For example, "The ladies' hats were all different colors."