You have probably seen and heard a great many words in the English language that end with “ology.” This is a suffix, which comes from a Greek word meaning “the study of.”
Some of the more familiar words using this suffix are:
anthropology, the study of man
astrology, the study of the influence of the stars
biology, the study of living things
ecology, the study of the environment
icthyology, the study of fish
speleology, the study of caves.
But there are some “ologies” that people study which you might not have heard of:
cacology – the study of mispronunciation of words
caliology, the study of birds’ nests
dactylogy, the study of fingers
deltiology, the study of picture postcards
pseudology, the study of the art of lying.