As NOITACUDE is made by reversing the order of the letters of the word EDUCATION , similarly reverse order of the letters of the word INTELLIGENCE IS ECNEGILLETNI.

Each letter in the word is replaced by the letter proceeding and follwing it in the alphabetical series.

As, Australia' is a 'Continent' similarly, 'Vikrant' is a 'Ship'.

The given pair contains synonymous words but the second word has a higher degree.

'Ballad' is a type of poem, in the same way as 'Snake' is a type of 'Reptile'.

As , 5 X 7 = 35 i. e., 5 multiplied with next prime number i.e ., 7.
Similarly, 7 X 11 = 77 i. e , 7 multiplied with next prime number i, e .,11.

Relation - Condition : Characteristic behavior.
'impecunious means 'Poor' and 'Mendicant' means
'Begging'. Petulant means 'Bad tempered' who is a complainer.

Relation - Noun : opposite adjective.
'Infallible' means never committing 'Error' 'Impeccable'
means flawless'

Relation - Factor : Something that causes it,
'Lachrymose means causing 'Tears' while so many 'Words' makes a written matter 'verbose'.

Relation - Noun : opposite adjective.
Apocryphal means false, Nefarious means wicked.