These names are distinct, however, an individual with a hearing problem might easily confuse the two. The respondent might have heard all the words and thought he understood the meaning of the question. We cannot know for certain what our ancestors were thinking when they were answering questions for the census taker or the marriage license clerk. All we have is the document they left behind. When interviewing family members use as many names as possible.
Relationships can create confusion.
Trautvetter, not her father. While it may not be possible use names exclusively, minimizing the number of relationships used when asking questions can reduce confusion. Even if your ancestor could speak English, it seems reasonable that she might have easily mistranslated a key word or phrase. Asking your parent, spouse, child, or co-worker might provide a different answer. When the clerk was filling out my marriage license, he asked me how to spell my mother's maiden name.