Noun
(obsolete) Scientific study of words.
Synonym: lexicology
The study of logos (visual symbols or emblems).
The study of words for recreational purposes with an emphasis on letter patterns.
Synonym: recreational linguistics
(religion) The study of words in search for divine truth, compare numerology.
(Can we verify this sense?) The study of all things related to science and its practitioners.
Source: en.wiktionary.org