Paronyms and homonyms :  Confusion is often caused in understanding the meanings of certain words because they are either similar in meaning and form or similar in their sound of pronunciation.

The words which are different in meaning or use but are similar in form or derivations are called Paronyms.  For example :

 Imaginary - Imaginative

Imaginary =  unreal. Eg: Modern man is living in imaginary world.
Imaginative = Creative. Eg: John Keats was a great imaginative poet.

On the other hand Homonyms are similar in their sound pronunciation but different in meaning They are also called Homophones . For example :

knight - Night

knight = a man who served his sovereign or lord as a mounted soldier in armour. Eg. : The knight is on his way to the castle .

Night = the period between afternoon and bedtime; an evening. Eg. He was not allowed to go out on weekday nights .

This house is near the _______ of India .  

The word that can be filled in the blank part is border .

For example : - He drove us right up to the Russian border.  

Other Usage : - , Villages along the border are regularly raided. 

Option B : - Boarder :-  a person who forces their way on to a ship in an attack . eg .He was like a boarder , or maybe the visiting brother-in-law you want to kick out but don't know how. 

Option C : -   Berth : - (a seat in a train) I have got two berths booked in the Rajdhani Express.

Option D : - Bail : - (security) His application for release on bail was rejected.

Thus , the Correct option is A  , which is border .

Paronyms and Homonyms : - Confusion is often caused in understanding the meanings of certain words because they are either similar in meaning and form or similar in their sound of pronunciation.

The words which are different in meaning or use but are similar in form or derivations are called Paronyms.  For example :

Artful - Artistic.

Artful =cunning or clever. Eg: I dislike his artful nature.
Artistic = having aesthetic qualities. Eg: Mani Ratnam is an artistic film director.

On the other hand Homonyms are similar in their sound pronunciation but different in meaning They are also called Homophones . For example :

Climb - Clime 

Climb: scramble .Eg. I do not have the courage to climb the highest mountain in the world.
Clime: land, realm .Eg. Clime has changed a lot now.

In the question : - 

He experienced _________ before he died.

The word that can be filled in the blank part is Beatitude which means state of bliss, blessedness.

For example : - All of our actions are to be directed toward such beatitude .

Other Usage : -  From afar, he saw the Mount of the Beatitudes.

Option A : -  Born : - (take birth) Pearl was born in Ashwini Hospital at Mumbai.

Option B : - Borne : - (carried) The dead body was borne by his friends.

Option C : - Beatific : - (feeling joy & peace) The saints are always in a beatific state of mind.

Thus , the Correct Option is D  which is Beatitude .

Paronyms and Homonyms : -  Confusion is often caused in understanding the meanings of certain words because they are either similar in meaning and form or similar in their sound of pronunciation.

The words which are different in meaning or use but are similar in form or derivations are called Paronyms.  For example :

Adjacent - Adjoining

Adjacent = laying near.  Eg: They were allowed to write examination.

Adjoining = next .  Eg: The post office adjoins the main road. 

On the other hand Homonyms are similar in their sound pronunciation but different in meaning They are also called Homophones . For example :

Accept - Except

Accept = to receive something. Eg : India ACCEPTED its defeat at the hands of Australia.

Except = to take or leave out . Eg : All the children were given a share in the property EXCEPT  Mohit Sharma.

In the question : 

Please book a lower ________ for me.  

The word that can be filled in the blank part is Berth which means a seat in a train

For example : - Bears are actually wary of people, and usually give them a wide berth .

Other Usage : - Each passenger slept on the berth allotted to him.

Option A : - Birth : - (to be born) The exact date of the birth of a person is known from his birth certificate.

Option C : -  Beneficent : - (kind) Everybody paid rich tribute to the king as he was beneficent to all and sundry.

Option D : - Besides : - (in addition to) Besides English she is also learning French.

Thus , the Correct option is B , which is berth .