Here are some possible words:
domineer
engineer
foreseer
killdeer
muleteer
mutineer
overseer
reindeer
pioneer
auctioneerbeercareercheerdeerengineerfreerjeeroverseerpeerpioneerpuppeteersneersteerseersheervolunteer
Reindeer
heets-eer (הצעיר)
It is on the last syllable ("-eer").
There are two: eer -ie
sah-EER (שעיר)
Likely candidate is the word: err.Err is verb, and it means "be mistaken or incorrect; make a mistake."
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern ---A-EER. That is, eight letter words with 4th letter A and 6th letter E and 7th letter E and 8th letter R. In alphabetical order, they are: bayadeer
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern E----EER. That is, eight letter words with 1st letter E and 6th letter E and 7th letter E and 8th letter R. In alphabetical order, they are: engineer
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern C---EER-. That is, eight letter words with 1st letter C and 5th letter E and 6th letter E and 7th letter R. In alphabetical order, they are: compeers
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -E--EER-. That is, eight letter words with 2nd letter E and 5th letter E and 6th letter E and 7th letter R. In alphabetical order, they are: decreers