“DIOBOL” is a valid word. — 9 points Scrabble

bloodthe fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets
obolia Greek unit of weight equal to one tenth of a gram

bolda typeface with thick heavy lines
idola material effigy that is worshipped
boila painful sore with a hard core filled with pus
lobo
boloa cord fastened around the neck with an ornamental clasp and worn as a necktie
lidoa recreational facility including a swimming pool for water sports
olio
obol
diolany of a class of alcohols having 2 hydroxyl groups in each molecule

oldpast times (especially in the phrase `in days of old')
oila slippery or viscous liquid or liquefiable substance not miscible with water
bidan authoritative direction or instruction to do something
booa cry or noise made to express displeasure or contempt
lideither of two folds of skin that can be moved to cover or open the eye
looa toilet in Britain
bio
lib
bodalternative names for the body of a human being
loban easy return of a tennis ball in a high arc
dola unit of pain intensity
dib
obi(West Indies) followers of a religious system involving witchcraft and sorcery

doan uproarious party
ida state in the Rocky Mountains
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
bo
lo
bia heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
oda doctor's degree in optometry

DIOBOL