Here are some words I know how to spell, but don’t know their meanings:
Abbess – to forgive a nun, for being un-nunlike
Effete – to admit, with a girlish demeanor
Proscenium – a place where something important happens, up high on a balcony
Inimitable – dangerous, cunning, lascivious…
Exhume – to destroy, with your mouth
Puerile – possessing poisonous glands
Puissant – delicate and angry
Ebullient – not quite obese, but getting there
Pusillanimous – tiny and quiet, like a mouse
Recidivist – one who retreats, but plans to fight another day
Sepulcher – A staff you might hit a wizard with, or vice versa
Transmute – To translate, quietly
Turgid – problematic and stormy
Vicissitude – something pleasant that happens at a high altitude
Myrrh – something Jesus ate
Zeitgeist – an important ghost

Here are some words I don’t know how to spell, but that I do know what they mean:
Boullebaise – a french dish, that’s complicated to make
Hors’ Doevresz – an appetizer that could be french, or could be Buffalo wings
Onamatopoeia – sounds like what you think it is
Bellweather – Hopefully not BP’s stock
Daquiri – A delicious beverage that society does not allow men to drink, unless they are gay.
Czeckoslovakia – Now the Czechkh republic – birthplace of the Yugo
Leuauw – Hawaiian party, where people wear flower necklaces

Here are some words I can neither spell, nor do I know what they mean:
Dipthong – A low hanging under garment
Gingam – a spice that goes in haggas
Jodpurs – an Indian horse spur, or donkey spur
Peinoire – a dainty pink wine

Here are some invented words, that might mean something, but probably not (also most likely spelled wrong):
Fressage – the foam that forms at the top of a beer
Puissance – the respect one shows for royalty
Gradiant – Irritating but beautiful, like J-lo
Collagenetic – Something in your blood, that can’t be good
Mristial – misty and starry, like Justin Bieber’s eyes
Sagatial – of a great magnitude
Collostial – of an even greater magnitude
Dictonomy – to have a dictator, dictate anonymously
Frimp – to pout, frown
Ragine – A cajun spice. Also a french stain removal technique
Quescent – Mournful and sad, but hopeful