"Costliness" Natural Recordings by Native Speakers
The word "costliness" refers to the quality of being expensive or extravagant, often in relation to something's price or the resources required to produce or maintain it.
I apologize, but I couldn't find any meaning or definition for the word "costicine". It's possible that it's a misspelling or a word that is not widely recognized. Can you please provide more context or clarify the correct spelling of the word?