An ELT Glossary : Terms connected with lexis

Affix
Allomorph
Antonym 

Bound morphemes

Cognates / False Cognates Complementary antonyms
Collocation  
Concordancers
Compound words 
Connotation
Converse antonyms 

Delexicalised verbs Denotation
Derivation

Etymology

Free morphemes

Gradable antonyms


Idioms      

Lexical approach
Lexical chunk
Lexical set
Lexicon

Metaphor 
Multi-word verbs/MWVs

Neologisms

Passive/Receptive Vocabulary 
Phrasal verbs                            
Phrasal prepositional verbs
Prepositional verbs

Semantics 
Similes  
Synonymy

Taboo language

Word formation