• Flebodium

• flare,
• flavour,
• flavor,
• flurry,
• Flurries,
• floral,
• flora,
• flourish,
• flawless,
• flared,
• flair,
• flowery,
• floor.

The adjective form of the word "flerovium" is "flerovian".

The plural form of the word "flerovium" is "fleroviums".

The singular form of the word "flerovium" is "flerovium". This is because "flerovium" is already a singular noun in chemistry that refers to a synthetic chemical element with the atomic number 114.