YYY
Yay!
engagement
assists
Dappling.
ratio
hurried
letters
The word with the 3rd, 4th, 6th, and 7th letters being the same is "bookkeeper."
6 letter words with L being 3rd letter and N as the 5th:AilingAslantBalingBelongBylineColonsColonyDolingFelineFelonsFelonyFilingGalenaHalingHolingIdlingInlandIslandMelonsNylonsOblongOglingOilingOnlinePalingPilingPolingPulingPylonsRelentRelineRelinkRilingRulingSalineSalonsSilentSolingSplineSplintTalentTalonsTilingUnlinkUplandWalingWilingXylene
SASSY or SORRY
The word you are looking for is "squeak."
For a six-letter word to be a palindrome, the 3rd and 4th letters would have to be the same.
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