belive vs slap-bang

belive

adv
  • Quickly, forthwith. 

  • Soon, presently, before long; by and by; anon 

slap-bang

adv
  • directly or immediately 

  • in a violent or sudden or noisy manner 

How often have the words belive and slap-bang occurred in a corpus of books? (source: Google Ngram Viewer )