Verses with the word flatteries in the Old Testament (3 verses):

Daniel 11:21
And in his estate shall stand up a vile person, to whom they shall not give the honour of the kingdom: but he shall come in peaceably, and obtain the kingdom by flatteries.

Daniel 11:32
And such as do wickedly against the covenant shall he corrupt by flatteries: but the people that do know their God shall be strong, and do exploits.

Daniel 11:34
Now when they shall fall, they shall be holpen with a little help: but many shall cleave to them with flatteries.