immeasurate vs unequivocal

immeasurate

adj
  • Without or beyond measure; unending; boundless. 

unequivocal

adj
  • Unambiguous; without equivocation or ambiguity; singularly clear, unmistakable, or unquestionable 

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