if only vs on account of

if only

conj
  • Even if for no other reason than; only just. 

  • Used other than figuratively or idiomatically: see if, only. 

  • I wish that; signifies a wish or desire for the present or the future. 

  • I wish that; signifies a regret about an action in the past. 

on account of

conj
  • On account of the fact that: because, since. 

prep
  • Because of, due to, owing to. 

  • On behalf of the (monetary) account of; (idiomatic, originally figurative) for the sake of. 

How often have the words if only and on account of occurred in a corpus of books? (source: Google Ngram Viewer )