The plural for for the noun glass is glasses.
The noun marble is an uncountable (mass) noun as a word for the crystalline metamorphic form of limestone, a word for a substance.The plural form of the noun, reserved for 'types of' or 'kinds of', is marbles.The plural form of the noun marble as a word for a small glass ball used as a toy is also marbles.The plural possessive form (for the substance or the toy) is marbles'.Examples:The marbles' display included an array of lovely colors.The marbles' bag split and the marbles rolled everywhere.
rhombuses
topazes
The plural form of the tool 'saw' is saws. Saw is also the past tense of see, but because see is a verb, not a noun, the word 'sees' is not a plural.
The word trajectory is a noun. The plural form is trajectories.
The plural possessive form is glasses'.
Yes, the word glasses is a noun.Glasses is the plural form for the singular noun glass.Glasses is the singular form for 'a pair of glasses', the plural form is 'pairs of glasses'.
The possessive form for the singular noun glass is glass's (just as you have it in your question).The plural form is glasses. The plural possessive form is glasses'.Example: I like these glasses' pattern the best.
The plural form for the noun glass is glasses. The plural possessive form is glasses'.Example: Her glasses' frame broke when she dropped them.
The plural form for the demonstrative pronoun this is these.
Glasses are a plural form for glass (a drinking glass, or a lens). To indicate the plural of glasses (eyewear, a pair of eyeglasses), you would have to use the description "pairs of glasses."
The plural form of the word inferno is infernos.
The plural form is ranches.
There is no plural word for if.
There is no plural form for the word, countries. This word itself is a plural.
The plural form is data.
The plural form of the word "baby" is "babies."