coom¹ /koom/

1. Soot
2. Coal dust
3. Dust or grime of various kinds

To begrime

• echocardiography
• echo chamber
• echo chambers
• echoed
• echoencephalogram
• echoencephalograms
• echoencephalography
• echoer
• echoers
• echoes
• echoey
• echogram
• echograms
• echograph
• echographs
• echoic
• echoically
• echoing
• echoise
• echoised
• echoises
• echoising
• echoism
• echoisms
• echoist