α. Old English feorteoða (rare), Old English feowertegeða, Old English feowertegða, Old English feowerteogeða (rare), Old English feowerteogða, Old English feowerteoþa, Old English feowerteoða, Old English feowerteoðand (weak declension, accusative, probably transmission error), Old English feowerteoðoga (perhaps transmission error), early Middle English fourteoþe, early Middle English fowrtuðe, early Middle English vourteþe, Middle English fourteothe, Middle English fourteþe, Middle English fowrtethe, Middle English fowrtithe (Kent).
β. late Old English fourtende, early Middle English fortend, early Middle English fowrtend, Middle English faurtend, Middle English fourtend, Middle English fourtened.
γ. early Middle English feowertenðen (weak declension, dative, perhaps transmission error), early Middle English fourteneþe, Middle English fourteneth, Middle English fourtenethe, Middle English fourtenthe, Middle English fourtenþe, Middle English–1600s fourtenth, 1500s fourteneth, 1500s fourtinth (Scottish), 1500s–1600s foureteeneth, 1500s–1600s foureteenth, 1500s–1600s fourteeneth, 1500s– fourteenth, 1800s fourteent (in a representation of Irish English speech).
δ. Scottish pre-1700 fourteint, pre-1700 fourtent, pre-1700 fourtinte, 1900s– fourteent.
Also represented by the abbreviations 14th, 14th, xivth, xivth, XIVth, XIVth, and variants.