Spree, agree...
devotee
agree, emcee, levee, melee, raree, three
Some five letter words that contain 'ee' are:agreebeechbleedbreedcheepcheekcheercreedcreekcreelcreepemceefleetgeesegreedGreekgreengreetkneelleechpayeepureequeenqueerrupeesheensheepsheersheetsleeksleepspreesteedsteelsteepsteersweepsweetteeththreetweedtweetwheel
You say ee-ee, for example Pompeii is pronounced pom-pay-ee-ee.
the y in oxygen is the letter that makes the ee sound
Tree Flee Glee Knee
Eel
puree
In the word "oxygen," the letter "y" makes the "ee" sound.
EE - electrical engineereeler - a person who catches eels
The word "bookkeeper" fits this description. It ends with a double "r" and also has two different double letters in it, which are "oo" and "ee."
There are five phonemes in the word "treats": /t/ /r/ /ee/ /t/ /s/.