surreptitious /sur-əp-tishˈəs/

1. Done by stealth or fraud
2. Stealthy

surreptiˈtiously adverb

• inheritance tax
• inheritance taxes
• inherited
• inherited error
• inherited errors
• inheriting
• inheritor
• inheritors
• inheritress
• microprinted
• microprinting
• microprintings
• microprints
• microprism
• microprisms
• microprobe
• microprobes
• microprocessing
• microprocessor
• microprocessors
• microprogram
• microprograms
• micropropagation
• micropsia
• micropsias