Which of the following words will come second in the English dictionary?

Let us arrange the given words in alphabetical order:
1. All words start with 'M'. Look at the subsequent letters:
* Magical: M-A-G-I-C
* Magnetic: M-A-G-N-E-T
* Magnify: M-A-G-N-I-F
* Maternal: M-A-T

2. Comparing 'M-A-G' words:
* In 'Magical', the 4th letter is 'I'.
* In 'Magnetic' and 'Magnify', the 4th letter is 'N'.
* Since 'I' comes before 'N', Magical is 1st.

3. Now compare 'Magnetic' and 'Magnify':
* Both share 'M-A-G-N'.
* The 5th letter of 'Magnetic' is 'E'.
* The 5th letter of 'Magnify' is 'I'.
* Since 'E' comes before 'I', Magnetic is 2nd, and Magnify is 3rd.

4. Maternal starts with 'M-A-T', so it comes 4th.

The full alphabetical order is:

1. Magical
2. Magnetic
3. Magnify
4. Maternal

The word that comes second is Magnetic.