• ilfaction,
• klfaction,
• llfaction,
• plfaction,
• 0lfaction,
• 9lfaction,
• okfaction,
• opfaction,
• oofaction,
• oldaction,
• olcaction,
• olvaction,
• olfactiin,
• olfacton,
• olfactin,
• olfaciton,
• olfactoin,
• olfactino,
• olfection,
• olfactife

• olfactory,
• olfactive.

The adjective form of the word "olfaction" is "olfactory".

The plural of the "olfaction" can be the "olfactions".

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