No, because sick is an adjective and there are not plural forms for adjectives. However, if you changed it into a noun (i.e., sickness) then you could make it into sicknesses.
Some compound words that contain the word sick are:
airsickcarsickheartsickhomesicklovesicksickbaysickoutsickroom
Seasick.
No, building is not a compound word.
άρρωστος the word sick
The contraction (not a compound word) is doesn't.
Upwards is a compound word.
There is no compound word.A compound word is a word like bus-stop.Husban is spelt like this husband
The word sick is an adjective (sick, sicker, sickest), a word that describes a noun; sick is also a noun (a non-count noun) for a group that are sick, for example 'caring for the sick'.
Upstairs is a compound word, so it is one word.
The translation for the English word sick in the luhya language is "wagonjwa."
The Luhya word for the English word 'sick' is 'omulwalee'.
Mango is not a compound word.