Yes, "crash" is countable when referring to specific incidents or occurrences, such as car crashes or airplane crashes. You can say "three crashes" or "a series of crashes." In a different context, "crash" can also refer to a sudden failure, but this usage is less common in a countable sense.
The noun 'comparison' is a countable noun.The plural form is comparisons.
Yes it can assume countable number of outcomes.
discrete data
Bar graphs are used to display countable data that are grouped in categories.
who more likelly to die bike or car crash
countable
countable
The noun 'hill' is a countable noun. The plural form is 'hills'.
cookies are countable unless you have brain problems
countable
Shark is a countable noun.
Duck as an animal is countable, but if you mean the meat it is uncountable.
Prawn - prawns is the plural - is a countable noun
few is countable
countable
Countable
The word hair can be both a countable noun and a non countable noun, depending on how it is used. For example in the sentence "Mary has long blonde hair", it is non countable. In the sentence "Dad is getting a few gray hairs" it is countable.