Strong's Concordance G4087

Col 3:19  Husbands, love your wives, and beG4087 not bitterG4087 against them.

Rev 8:11  And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitterG4087.

Rev 10:9  And I went unto the angel, and said unto him, Give me the little book. And he said unto me, Take it, and eat it up; and it shall makeG4087 thy belly bitterG4087, but it shall be in thy mouth sweet as honey.

Rev 10:10  And I took the little book out of the angel's hand, and ate it up; and it was in my mouth sweet as honey: and as soon as I had eaten it, my belly was bitterG4087.