• liveline,
• lifline,
• liftling,
• lifellines,
• lifein,
• lifeling,
• lieling,
• lifelone,
• lifeing,
• lineline,
• lifeloing,
• lizuline,
• life lne,
• life linee,
• kifeline,
• pifeline,
• oifeline,
• lufeline,
• ljfeline,
• lkfeline

• liveliness,
• life line,
• liopelma,
• lifelong,
• feline,
• leveling,
• liopelmidae,
• lifelike.

The adjective form of the word "lifeline" is "lifeline". The word functions as both a noun and an adjective.

The plural of the "lifeline" can be the "lifelines".

The singular of the "lifeline" can be the "lifeline".