Mid 17th century: from Latin nidificat- ‘made into a nest’ (from the verb nidificare, from nidus ‘nest’) + -ation.
“Cuckoos aren’t known for nidification, they steal the nests of others.”
Nothingburger (noun) (Chiefly US)
A person or thing of no importance, value, or substance. Now esp.: something which, contrary to expectations, turns out to be insignificant or unremarkable.
1950s: from nothing and burger. Added to the OED October 2018.