4 Letter words

A young couple got married and left on their honeymoon.
Back at home for a few days, the bride called her mother.
"Well, how was the honeymoon?" asked the mother.
"Oh, Mama," she replied, "the honeymoon was wonderful! So romantic..."
Suddenly she burst out crying. "But, Mama, as soon as we returned, Sam started using the most horrible language. He's been saying things I've never heard before! All these awful four-letter words! You've got to come get me and take me home! Please, Mama!"
"Sarah, Sarah," her mother said, "calm down! Tell me, what could be so awful? What four-letter words has he been using?"
"Please don't make me tell you, Mama," wept the daughter, "I'm so embarrassed! They're just too awful! You've got to come get me and take me home! Please, Mama!"
"Darling, baby, you must tell me what has you so upset. Tell your mother these horrible four-letter words!"
Still sobbing, the bride replied, "Oh, Mama ... words like dust, wash, iron, and cook..."