pennyroyal /pen-i-roiˈəl/

1. A species of mint (Mentha pulegium) once valued in medicine
2. A related plant, Hedeoma pulegioides (US)

• straightforth
• straightforward
• straightforwardly
• straightforwardness
• straight from the horse's mouth
• straight from the shoulder
• straight-from-the-shoulder
• straight gear
• straighting
• straightish
• straightjacket
• straight-jet
• straightly
• straight man
• straight men
• straightness
• straightnesses
• straight off
• straight out
• straight-out
• straight-pight
• straight play
• straight plays
• straight razor
• straight razors