What does Lexicology, a branch of linguistics study?

Homonyms having the same pronunciation are called:

1. 
   homophones
   
2. 
   homographes
   
3. 
   homonyms proper
   
4. 
   homoforms
   

Suffixes -let, -ette, -ling denote: diminutiveness nationality the agent of the action collectivity

What do we call varieties of a language used as a means of oral communication in small localities? dialects variants of a language ideolects accents

The diachronic approach to language studies investigates … . the development of the vocabulary in the course of time the vocabulary as it exists at the present time the vocabulary as it existed in the past the vocabulary as it existed in the past

Euphemisms are … . synonyms antonyms homonyms polysemantic words

What do we mean by derivation? It is one of the most productive ways of word-building. It is a process of developing English words. It is a way of forming a new meaning. It is a process of producing new sounds.

Which categories of parts of speech are especially affected by conversion? The two categories of speech affected by conversion are nouns and verbs. The category of parts of speech affected by conversion is nouns. The category of parts of speech affected by conversion is verbs. All categories of parts of speech are affected by conversion.