Niechew 

Niechew is a personal pronoun for those (them/they) that don’t want to identify as either niece or a nephew.

My niechew Ayin has a great sense of humor when they take family pictures.

Niechew by ClairelyUrban January 9, 2022

Nichewich 

Noun: Nichewich is one author's body of writing that covers a wide crossover of topics.

1. Crossover writing from talented authors who cover a variety of topics with ease.
2. The opposite of niche-ing down in content writing.

No, Paula. You don't need to niche down. You're talented. Embrace your nichewich--write about everything.

Rob is so boring. I wish he'd embrace the nichewich instead of only writing about personal development.

Nichewich by Nichewich Supreme December 14, 2020

niephew 

One's nieces and nephews.

I can't go out tonight, I'm babysitting my niephews.

I have 8 niephews; 3 nieces and 5 nephews.

niephew by unkleB September 16, 2008

niephew 

noun: A niece or a nephew.
adjective: of or pertaining to a niece or nephew.

plural: niephews

http://www.askoxford.com/asktheexperts/faq/aboutwords/siblings?view=get

"I have four niephews: three nephews and a niece."

"Three of my niephews are my first sister's children (two sons and a daughter), and my fourth niephew is my second sister's child (a son)."

niephew by imperatrix March 27, 2009

Niechet 

Its French for gods gift to women. Otherwise known as a ladies man.

All the ladies want a piece of some of that Niechet

Niechet by Deez Notes December 14, 2011

Niephew 

When you don't know if you'll be having a niece or nephew.

I can't wait to figure out what my niephew is!

Niephew by Kjtheblogger June 3, 2017

Niephew 

Gender neutral equivalent of niece/nephew.

My niephew Jade identifies as nonbinary now...

Niephew by T17745 May 1, 2022