word formation refers to the ways in which new words are made on the basis of other words or morphemes.

Conversion refers to the process of changing or converting the class of a word without changing its form.

the most commonly misspelt words in English and at least , on my point of view , are soldier

A contranym or contronym is a word which has two or more generally accepted meanings in the English language

Heteronyms are also a type of Homograph. They are words that are spelled the same but differ in meaning and pronunciation.

A palindrome is a word or sentence that reads the same forward as it does backward.

A pangram is a sentence that contains all letters of the alphabet. Such sentences are also called holalphabetic sentences.

A homograph is a “word of the same written form as another but of a different origin and meaning.”

A group term denotes a sum, and the atoms dominated by that sum are taken to be the members of the group.

Use of Words for Related pairs, Specific Use Like used in good & bad sense and used in different parts speech

Word used for Animals Males, Females, Young’s and Group Terms with Collective Names of Animals