N- Symbolically, the most common gas in room air

NI- Repeated utterance of Monty Python’s woodlands knights

SIN- May be Mortal or Venial

NITS- What persnickety critics like to pick

SAINT- Title, after canonization

STRAIN- Put through a sieve

RATIONS- Allocates sparingly

RAINOUTS- Precipitation related game cancellations

INSULATOR- A material with negligible electrical or thermal conductivity

JOURNALIST- Member of the Press Corps