Learn English – “Incapabilities” Vs “Inabilities”

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I was wondering if you could let me know which one of the listed choices fits better in my self-made sentence below:

CEO to the applicants of achieving a job: In order to get this job, you must first prove your potentials and demonstrate us your good customers service skills. You must be able to effectively communicate over the phone.

Applicants pass their tests and then the CEO asks the examiner: How was the guy in blue shirt?

The examiner answers: Awful; I could easily see his _______ with my own eyes even before beginning of the contest.

  1. incapabilities

  2. inabilities

For me, both work here properly, but they differ the meaning of the sentence. Do you confirm it?

Best Answer

The examiner answers: Awful; I could easily see his a) incapabilit(y) with my own eyes even before (the) beginning of the contest.

b) inabilit(y) could be properly used in this sentence, just as you say. But I would even so have used the word incapability.

There is a slight difference in the two words meaning:

Inability: the condition of not being able to do something or the lack of ability

Incapable: not able to do something or not capable

Compare the difference with these examples:

she has shown an inability to concentrate

the inability of the government to cope with the problem

or

hired a supremely incapable assistant who only made a mess of things