sigil

As nouns the difference between sigil and pentacle

is that sigil is a seal, signature or signet while pentacle is a pentagram, especially a physical one used for magical or mystical purposes.

As nouns the difference between sigil and suit

is that sigil is a seal, signature or signet while suit is a set of clothes to be worn together, now especially a man's matching jacket and trousers (also business suit or lounge suit), or a similar outfit for a woman.

As a verb suit is

to make proper or suitable; to adapt or fit.

As a noun sigil

is a seal, signature or signet.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a noun sigil

is a seal, signature or signet.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between emblem and sigil

is that emblem is emblem while sigil is a seal, signature or signet.

As nouns the difference between notation and sigil

is that notation is the act, process, method, or an instance of representing by a system or set of marks, signs, figures, or characters while sigil is a seal, signature or signet.