teyrnasiad
Teyrnas Jeriwsalem
Teyrnas Manaw a’r Ynysoedd
Teyrnas Norwy
Teyrnas Powys
Teyrnas Prydain Fawr
Teyrnas Rhufain
teyrnasu
Teyrnas Unedig
Teyrnas Unedig Prydain Fawr ac Iwerddon
Teyrnas Unedig Prydain Fawr a Gogledd Iwerddon
Teyrnas Unigol
Teyrnas yr Alban
teyrnfradwr
teyrngadair
teyrngarol
teyrngarwch
teyrnged
teyrnwialen
TGV
Thaana
Thai
Thalassa
thaliwm
Thames
Thasuka Witco
Thatcheriad rhonc
Thatcheriaid rhonc
The Amazing Maurice and his Educated Rodents
theatr
theatrau
The Automatic
Thebai
The Beatles
The Best Damn Thing
The Bill
The Blues Brothers
The Broons
The Coca-Cola Company
The Colour of Magic
The Crucible
The Day of the Triffids
The Fabulous Moolah
The Fratellis
The Guardian
The Hennessys
The Holy Bible
The Irish Rover
theiroid
The Lion
Cymraeg