Merriam-Webster's Collegiate Dictionary:
tn
tnf
tnpk
tnt
to
to a degree
to a fault
to a man
to a t
to a tee
to a turn
to advantage
to and fro
to be sure
to beat the band
to begin with
to bits
to blame
to boot
to come
to date
to death
to die for
to do
to go
to ground
to hand
to heart
to heel
to one's face
to one's feet
to one's knees
to order
to pieces
to rights
to say nothing of
to scale
to sea
to speak of
to start with
to the contrary
to the effect
to the fore
to the gills
to the good
to the gunwales
to the hilt
to the manner born
to the manor born
to the max
to the nines
to the point
to the punch
to the showers
to the teeth
to the vantage
to the wind
to the winds
to weather
to windward
to wit
to-and-fro
to-be
to-do
to-ing and fro-ing
toa alta
toa baja
toad
toadeater
toadfish
toadflax
toadstone
toadstool
toady
toadyism
toamasina
toast
toaster
toaster oven
toastmaster
toastmistress
toasty
tob
tobacco
tobacco budworm
tobacco hornworm
tobacco juice
tobacco mosaic virus
tobacco road
tobacconist
tobago
tobagonian
tobias
tobin
tobit
toboggan
tobogganer