Conflate (verb)

1. To bring together and fuse (two or more things) into one.
2. To confuse two distinct things by treating them as if they were one.
3. To combine (two or more sets of information, texts, etc.) into one.

Origin:

From latin conflātus, past participle of conflō ("i blow togethe.r")

Examples:

1. The author conflated the two characters' backstories in the final draft.
2. The historian conflated the events of two separate wars into one.
3. The politician conflated the issues of taxes and healthcare in his speech.
4. The teacher conflated the two lessons, making it difficult for the students to understand.
5. The company conflated their product lines, resulting in a decrease in sales.