Hygenics (or Hygiene) is a science that deals with the promotion and preservation of health. Ethics is the science of morals. Biology is the science of life. Ornithology is the science of birds.

Hagiocracy is government by holy men. Gerontocracy is rule by old people. Hagiarchy is rule by saints. Theocracy (a similar concept) is government by priests or religious leaders.

Hagiarchy is rule by saints or a body of saints. Gerontocracy is rule by old people. Hagiocracy is rule by holy men. Plutocracy is rule by the rich.

Gerontocracy is a state, society, or group governed by old people. An Epicure is dainty in eating. Hagiarchy is the rule of saints. Democracy is rule by the people.

An Epicure is a person who takes particular pleasure in fine food and drink. 'Dainty' suggests a refined taste. A Gourmet is a connoisseur of good food. A Glutton eats excessively.

An Epic is a long poem, typically one derived from ancient oral tradition, narrating the deeds and adventures of heroic or legendary figures. An Encore is a repeated performance. An Encyclopaedia is a book of information. An Epitaph is an inscription on a tomb.

An Encyclopaedia is a book or set of books giving information on many subjects or on many aspects of one subject and typically arranged alphabetically. An Encore is a repeated performance. An Epic is a heroic poem. An Anthology is a collection of poems or writings.

An Encore is a repeated or additional performance of an item at the end of a concert, as called for by an audience. An Encyclopaedia is a book of information. An Epic is a poem about a hero. An Epitaph is an inscription on a tomb.

An Emetic is a medicine or other substance which causes vomiting. Earthenware is pottery. Elysium is the abode of the blessed. An Antidote counteracts poison.

Elysium (in Greek mythology) is the abode of the blessed after death. Earthenware is pottery. An Emetic causes vomiting. A Cenotaph is a monument.