Give me any word in English ending in 'eas' which is NOT a plural?
966726
in addition to whereas & pancreas\n\noverseas , which can be used as an adverb, adjective or noun\n\ndefleas (American usage) verb form
217127
Since sunglasses is a plural concept, you can say either 'sunglasses' or 'a pair of sunglasses'. Similarly 'trousers', 'scissors', 'pants' etc.\n\nYes it is correct to say "Let's go eat" (with apostrophe).
802291
Here is a hint for the ones you have given us.  Anything that comes after his, her, my, their, or a word that ends with 's is a noun.  Anything that comes after is, are, become, turned into, was, etc. is an adjective.  This is the best that I can help you, as I am not 100% sure what you are talking about.
98708
business\noccasion\nseparate\nmisspell\nconcur\ndescendant\nindependent\nrelevant\nvacuum\nlaughter
274857
Nosce te ipsum.\n\nNot quite so pithy in Latin.
496991
The only 15 letter word that can be spelled without repeating a letter is uncopyrightable.\n\n"Rhythm" and "syzygy" are the longest English words without vowels.
875739
E as in Ian?\nlol find out so much on ere lol lol
531938
An-sel - English meaning "Blessed"\nCay-Lan - Gaelic meaning "Child"\nCay-Lynn  "                    "\nCar-la - Teutonic meaning "One who is strong"\nLay-ne - English meaning "From the narrow road"
665766
Twyndyllyngs is the longest word without any of the common vowel letters a, e, i, o, or u (although y is certainly a vowel in that and many other words). Euouae, at six letters long, is the longest English word consisting only of vowels.
653653
The plural of dress is dresses.  If a singular noun ends in '-s', you (usually) make it plural by adding '-es'.
348585
There isn't a real rule, it's much the same as asking when do you end a word with a 'y' or an 'ie' in English.  It all depends on the word.
497989
I think thare´s a specific kind of pastic for that. In my country (Argentina) it´s called "parsec". Check it in yours.
110409
'Software', like other nouns such as 'water' is a continuous, rather than discrete, noun. It therefore doesn't take a plural.
116773
no. "ain't" is not a real word in the English vocabulary. But it is still used. Different places make up and use new words, but they are not proper English.
755033
we didn't use such word in our talking so if u want one instead:\nthrow  - (إرم) -ermee
868695
There are no english words that fit this pattern.  Please check your source.
529480
Windlestraw.\n\n\n\nWell - it's a real word, begins and ends with W, is eleven letters long....and I'm English!