aculeated vs sharpish

aculeated

adj

  • Pungent, incisive. 

  • Having a sharp point; armed with prickles. 

sharpish

adj

  • Somewhat sharp (sudden, abrupt). 

  • Somewhat sharp; not blunt. 

adv

  • Rapidly, soon. 

How often have the words aculeated and sharpish occurred in a corpus of books? (source: Google Ngram Viewer )