"tone"

"tune"

"tube"

"tule"

It is a real word. See, I looked it up to be sure. (Haha!)

Definitions of Tule on the Web:

* Fall chinook stock native to the Columbia River tributaries.
http://www.streamnet.org/pub-ed/ff/G...ssaryfish.html

* The tule (Scirpus acutus), also known as the common tule, hardstem tule, tule rush, hardstem bulrush, or viscid bulrush, is a type of sedge in the plant family Cyperaceae. It is generally pronounced "too-lee".
en.wikipedia.org/wiki/Tule

:p

"mule"

"mull"

"pull"

"pill"

"mill"

"mile"

"tile"

"pile"

"pine"

"sine"

"site"