“ODONTOID” is a valid word. — 10 points Scrabble

tondo
ootidmature ovum after penetration by sperm but before the formation of a zygote
tondi

into
onto
dodosomeone whose style is out of fashion
dido(Roman mythology) a princess of Tyre who was the founder and queen of Carthage; Virgil tells of her suicide when she was abandoned by Aeneas
toona film made by photographing a series of cartoon drawings to give the illusion of movement when projected in rapid sequence
dintinterchangeable with `means' in the expression `by means of'
doit
nodi

notnegation of a word or group of words
dona Spanish gentleman or nobleman
didengage in
tooto a degree exceeding normal or proper limits
oddnot divisible by two
tona United States unit of weight equivalent to 2000 pounds
tina silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
dota very small circular shape
noda sign of assent or salutation or command
dina loud harsh or strident noise
toda unit of weight for wool equal to about 28 pounds
iona particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
noo
oot
ditthe shorter of the two telegraphic signals used in Morse code
nita luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source

to
itthe branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
ina unit of length equal to one twelfth of a foot
onin operation or operational
doan uproarious party
noa negative
ida state in the Rocky Mountains
tia light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
oda doctor's degree in optometry

ODONTOID