relation between words called when the meaning of part of the word is alike?

[Kristi]

English Language Tests, Intermediate level

ESL/EFL Test #154 "English grammar and vocabulary questions", question 1

I had to keep my daughter home from school today because she had a ......... of 38 degrees.

(a) fever
(b) headache
(c) temperature
(d) warmth

English Language Tests, Intermediate level

ESL/EFL Test #154 "English grammar and vocabulary questions", answer 1

I had to keep my daughter home from school today because she had a temperature of 38 degrees.

Correct answer: (c) temperature
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how is the relation between one word to another called when the meaning of part of the word is alike? (example rebuild to rephrase) it's not a synonym so what is it?

Kristi

[Yankee]

For example:

The words rebuild and rephrase both have the same prefix (re-).
The words happiness and fairness both have the same suffix (-ness).

Is that what you wanted to know?
.
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"Nearly all men can stand adversity, but if you want to test a man's character, give him power." ~ Abraham Lincoln

[Oinas]

Why "had a fever of 38 degrees" is incorrect?Best regards,Oinas.

[Kitosdad]

It isn't incorrect. Read the text again.
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Keep it simple ... Keep it interesting.

[Saneta]

Hi Mr Kitosdad, the correct answer to this sentence is : temperature, but why not: fever? About the same asked Oinas. Please help us both and other learners,
we are waiting patiently :)

[Beeesneees]

Because it is temperature which is measured in degrees.
A fever might be the reason you have a temperature.
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"Inside every old person is a young person wondering what happened."
Terry Pratchett