Linguistics?
βιολογία/Biology comes from the Greek words "Bios" meaning 'Life' and "Ologia/Ology" meaning 'The study of'.
Semantics is the study of the meaning of words, so a semanticist a person who is a specialist in the study of linguistic meaning.
Phonosemantics is the study of the sound of words, particularly how the sounds of words convey meaning or emotion. This discipline investigates the relationship between phonetic elements and their associated semantic or psychological effects.
== == The study of the pronunciation of words is called "etymography" or "orthoepy."
semantics
Two words with same meaning are called synonyms.
academic words
the study of the origin of the form and meaning of words
academic words
Bookish is a word meaning "devoted to reading or study." Bookish words could be referring to "big words" or to certain words denoting a field of study.
Two words with the same meaning are called synonyms.
It is called "Ichthyology" derived from the Greek "Ikhthu" meaning Fish, and "Logos" meaning Study. This is a branch of Zoology - Marine Biology - Ichthyology.The study of fish is called ichthyology.