Difference between renowned and reputable

[Liliana]

Test No. incompl/inter-95 "Letter of Complaint (2)", question 1

I had the washing machine fitted by a ......... plumber but he was unable to make the thing work.

(a) renowned
(b) remarkable
(c) reputable
(d) respectable

Test No. incompl/inter-95 "Letter of Complaint (2)", answer 1

I had the washing machine fitted by a reputable plumber but he was unable to make the thing work.

Correct answer: (c) reputable

Your answer was: incorrect
I had the washing machine fitted by a renowned plumber but he was unable to make the thing work.
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I wanted to know why not renowed???????

[Torsten]

Renowned is an adjective that used to describe famous professionals such as scientists, doctors, writers, authors, professors, counsellors etc.
It's rather unlikely that a plumber would gain such a level of recognition. However, a plumber or any other craftsman can be reputable.
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