Hb

Haemoglobin

HB

Hard black (on lead pencils)

• spirated
• spiration
• spirations
• spire
• spirea
• spireas
• spired
• spireless
• spireme
• spiremes
• spires
• spire-steeple
• spire-steeples
• spirewise
• spiric
• spirics
• spirier
• spiriest
• spirilla
• spirillar
• spirilloses
• spirillosis
• spirillum
• spiring
• spirit