Proverbs 5:3

For the lips of the strange woman will drip honey, and smoother than oil is her mouth.

Psalm 55:21

The {buttery words} of his mouth were smooth, but [there was] battle in his heart. His words were smoother than oil, but they [were] drawn swords.

Proverbs 2:16

[in order] to deliver you from a strange woman, from a foreign woman [who] flatters [with] her sayings,

Proverbs 6:24

[in order] to preserve you from an evil woman, from the smoothness of [the] tongue of {an adulteress}.

Proverbs 7:5

[In order] to guard yourself from {an adulteress}, from the foreigner who {makes her words smooth}.

Proverbs 7:21

She persuades him with the greatness of her teachings; with her smooth lips she compels him.

Revelation 17:2-6

with whom the kings of the earth committed sexual immorality, and those who live on the earth became drunk with the wine of her sexual immorality."

Treasury of Scripture Knowledge

Summary

For the lips of a strange woman drop as an honeycomb, and her mouth is smoother than oil:

Smoother

General references

Bible References

The lips

Proverbs 2:16
[in order] to deliver you from a strange woman, from a foreign woman [who] flatters [with] her sayings,
Proverbs 6:24
[in order] to preserve you from an evil woman, from the smoothness of [the] tongue of {an adulteress}.
Proverbs 7:21
She persuades him with the greatness of her teachings; with her smooth lips she compels him.
Revelation 17:2
with whom the kings of the earth committed sexual immorality, and those who live on the earth became drunk with the wine of her sexual immorality."

Smoother

Psalm 55:21
The {buttery words} of his mouth were smooth, but [there was] battle in his heart. His words were smoother than oil, but they [were] drawn swords.

General references

Proverbs 7:5
[In order] to guard yourself from {an adulteress}, from the foreigner who {makes her words smooth}.