You wouldn't refer to them as "step" just cousin. Step is usually reserved for immediate family (mom, dad and siblings), and then only to clarify blood relation for non-family members.
Your 2nd cousin's daughter is your 2nd cousin once removed.
Step son or not regarding your mother's cousin that would make him your third cousin.
There is no such thing as a half second cousin. You are second cousins if you share one great grandparent. Being someone's cousin means you are related to them.There is a step-2nd cousin. A step-2nd cousin is the daughter/son of someone's step-mom's/step-dad's cousin. It could also be the step-daughter/step-son of someone's mom's/dad's cousin.Ex.:Rob has a step-mom named Mary. Mary's cousin is Johnathan. Johnathan's child is Maria. Rob & Maria are step-2nd cousins.Maria's dad is named Johnathan. Johnathan has a cousin named Mary. Mary has a step-son named Rob. Maria & Rob are step-2nd cousins.
One step outside the "inner circle," whatever the inner circle may be. If we are talking about a step parent, the inner circle is the bond between natural parents and child(ren). If we are talking about a cousin, we are talking about a 2nd cousin instead of a 1st cousin. If we're talking about reality, the kook one step outside of reality ought to go see a psychologist!
Your dad's 2nd cousin is your 2nd cousin once removed.
you call your mums cousin a 2nd cousin, because your mums cousin is her 1st cousin, wich makes your mums cousin your 2nd cousin.
Your 2nd cousin's daughter is your 2nd cousin once removed.
your 2nd cousin, or maybe your 2nd cousin once removed.
2nd cousin, but if it's your Dad's 2nd cousin... then your relationship with that cousin would be a 3rd cousin.
If she is your grandpa's step-niece, she would be your mom's step-cousin, and your second step-cousin.
2nd cousin
2nd cousin