Here are some examples of words using the prefix "heter-":
* Heterozygous: Having two different alleles for a particular gene.
* Heterogeneous: Composed of different or dissimilar elements.
* Heterodox: Holding opinions or beliefs that are different from the accepted norm.
* Heterosexual: Attracted to people of the opposite sex.
There are also other prefixes that can imply difference depending on the context, such as:
* Allo- (meaning "other" or "different"): Allopathy (medical treatment that focuses on curing disease by inducing a different condition, often with drugs)
* Dis- (meaning "apart" or "not"): Dissimilar (different from something else)
The best prefix to use will depend on the specific meaning you want to convey.