This list is a great resource for one's BOS. Not all are -mancy words. Be sure to cross reference those that interest you with other sources, as sometimes terms for the same phenomena tend to vary slightly from source to source.
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Aeromancy: Divination by atmospheric conditions. The different forms of this are Austromancy, Ceraunoscopy, Chaomancy, and Meteormancy.
Ailuromancy: Divination from cats
Alectryomancy: Form of augury, the divination of the eating patterns of chickens.
Aleuromancy: Divination using slips of paper baked into dough balls, Fortune Cookies.
Alphitomancy: Using cakes made of wheat or barley flour.
Antinopomancy: Using the entrails of women and children. [what the...?! this is just wrong. --K]
Arachnomancy: Augury: divination from the appearance and behavior of spiders.
Arithomancy: Another name for numerology, or numeromancy. Belief that numbers influence our personalities and lives.
Astragalomancy: Sortiledge using the bones of sheep.
Astrology: Using stars and planets and signs of the zodiac.
Augury: Divination based on the appearance and bahavior of animals.
Austromancy: Form of aeromancy, divination using the wind.
Axinomancy: Divination using saws.
Belomancy: Divination by arrows (sortiledge)
Bibliomancy: Sortiledge divination from books, includes rhapsodomancy, and also called stichomancy.
Botanomancy: Form of pyromancy- burning leaves and branches.
Capnomancy: Divination by smoke (pyromancy)
Carromancy: Using modern playing cards.
Catoptromancy: Mirror gazing divination
Catoxtromancy: Looking glasses
Cattabomancy: Vessels made of metal.
Causinomancy: Objects cast into fire.
Cephalomancy: Augury using the divination from the skull or head of a donkey or goat.
Ceraunoscopy: Thunder and lightning (aeromancy)
Ceromancy: Melted Wax
Chaomancy: Aerial visions
Chartomancy: writing papers
Chirognomy: Palm reading, also: Chirology, chiromancy, and palmistry.
Clairaudience: Hearing the future ahead of time.
Clairvoyance: Seeing the future ahead of time.
Cleidomancy: Form of radiesthesia, using a suspended key
Cleromancy: Another name for sortilege
Coscinomancy: Suspended sieve (Radiesthesia)
Crithomancy: Markings in freshly baked bread
Cromniomancy: Divination using onions
Crystallomancy: Scrying into a crystal ball
Dactylomancy: Radiesthesia using suspended ring.
Demonomancy: Suggestions from demons
Daphnomancy: burning laurel leaves
Dowsing: Method of divination to find lost things, or locate unknown things, under the Earth.
Entomomancy: Behavior and appearance of insects
Gastromancy: sounds of the belly
Geomancy: Using the earth, rocks, or sand.
Graphology: Determining person's character by handwriting.
Gyromancy: divination by rounds or circles.
Halomancy: Casting salt into a fire
Haruspicy: Divination using the entrails of animals, one form is hepatoscopy, sometimes considered part of augury.
Hepatoscopy: Divination using the liver.
Hippomancy: Divination from horses (not hippos! haha)
Hydromancy: Scrying into water, Pegomancy.
I Ching: Ancient Chinese text
Ichthyomancy: Shape and entrails of fish
Idolomancy: Divination using idols, images, or figures
Lampadomancy: Using an oil lamp flame or torch flame.
Lecanomancy: Using a basin of water
Lithomancy: Using precious stones
Livanomancy: Burning frankincense
Logarithmancy: Divination by logarithms.
Lychnomancy: Flames of three wax candles
Macharomancy: Knives and swords
Metagnomy: Seeing future events in a hypnotic trance.
Meteormancy: aeromancy, using shooting stars and meteors.
Metoscopy: Lines on the forehead
Moleoscopy: Moles on the body.
Molybdomancy: Molten tin or lead
Myomancy: Color and movement of mice
Necromancy: Asking the dead to answer questions; ouija board
Numerology: Determining personality and lives with numbers.
Numeromancy: Same as above
Oenomancy: Augury: Patterns make by wine
Oinomancy: Divination by wine
Omphilomancy: Divination by the navel
Oneiromancy: Using dreams
Onomatomancy: Using Names
Onychomancy: Using nails
Ophiomancy: Augury using color and movement of snakes.
Oriental Astrology: based on a 12 year cycle, involving 12 animals, but is not based on the movement of the stars or planets.
Ornithomancy: Flight of birds patterns
Palmistry: Using the palm of the hand
Pegomancy: Form of hydromancy using a sacred pool or spring.
Pessomancy: Sortilege divination by using marked pebbles drawing out of a bag or casting them, also called psephomancy
Phyllorhodomancy: Rose petals
Phrenology: bumps on the head
Physiognomy: Facial features
Podomancy: Using the feet
Psephomancy: Sortilege using cast or drawn pebbles
Precognition: inner paranormal knowledge of the future
Psychomancy: divination by men's souls, affections, wills, religious or moral dispositions.
Psychometry: about a specific person usually holding an object that was theirs.
Pyromancy: Divination using fire
Pyroscopy: Burning a sheet of paper on a white surface and examining the resulting stains.
Radiesthesia: Using a pendulum, and can be used in dowsing
Rhapsodomancy: Form of bibliomancy from a book of poetry
Roadomancy: By the stars
Runes: Symbols of an ancient alphabet used for divination
Scapulomancy: Augury: patterns or cracks and fissures on the burned shoulder blade of an animal
Sciomancy: Divination by the shadows
Scrying: gazing onto a reflective surface
Sideromancy: Form of pyromancy in this case the divination is by casting an odd number of straws onto iron brought into red heat in a fire and reading the patterns formed by the straws, their movements, and the nature of the flames or smoke
Sortilege: Divination by casting or drawing of lots
Spatalamancy: Using skin bone or excrement
Stareomancy: Using the elements
Sternomancy: Divination using the line from the breast to the belly.
Stichomancy: Sortilege using books
Sycomancy: Using figs
Tasseography: Using tea leaves
Tephromancy: Patterns formed in the ashes of burnt offerings left to the Gods
Theomancy: Pretending to divine by the revelation of the words of God
Theriomancy: By beasts
Tuphramancy: By ashes
Tyromancy: Divination from cheese
Zoomancy: Augury using the appearance and behavior of any animal
Source: paganuskeltica.tripod.com/mancy.html]http://paganuskeltica.tripod.com/mancy.html
See also: http://www.paranormal-encyclopedia.com/ ... pes.html#a
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I might look into Arachnomancy since lately spiders are starting to show up when I post stuff on here. 
