The only difference between Pence and

 Penance is an indefinite article.

Two Dunces in Search of a Stool

Four Dunces in Search of a Stool

Further Proof That Ostentatious Penitence Is Even
Less Effective Against Smoking Than Nicorette

Another Red State Klansman Pretends to Repent

Young Penitent Trying to Imagine Sins Not Yet Committed