Yes, the word 'suitcase' is a common noun, a word for any suitcase.
The word suitcase is a noun and can be used as a direct object in a sentence. For example you could say: "Please give the suitcase to John." In that sentence "the suitcase" is the direct object and John is the indirect object.
No, it is a noun. But it can be an adjunct (suitcase handle, suitcase rack).
The compound noun 'suitcase' is a common noun, a word for any suitcase of any kind.A proper noun is the name of a specific person, place, thing, or a title; for example:Suitcase Shakespeare Company (non-profit theater group), Chicago, ILSuitcase Motel & Travel, North Wildwood, NJElectric Suitcase (video production and design),Preston, VIC Australia"The Boy in the Suitcase", a novel by Lene Kaaberbol
compound
Yes, suitcase is a compound word.
I will use a suitcase to whack your head.
i have a whole suitcase of junk under my bed.
The noun suitcases is the plural form for the singular suitcase.
suitcase briefcaseholderboxpackreceptacle
One compound word for "suit" is "jumpsuit."
"Suitcase".