• xryogen,
• vryogen,
• fryogen,
• dryogen,
• ceyogen,
• cdyogen,
• cfyogen,
• ctyogen,
• c5yogen,
• c4yogen,
• crtogen,
• crgogen,
• crhogen,
• cruogen,
• cr7ogen,
• cr6ogen,
• cryigen,
• cryogenic,
• cryogeny,
• cryogenes

• crescent,
• crookneck,
• crayon,
• carry on,
• crowson,
• crossan,
• crossen,
• cryogeny,
• cryogenics,
• crossness,
• Crossno,
• croghan,
• cryogenic,
• crying,
• crossin,
• croaking,
• crosson,
• crossing.

The adjective form of the word "cryogen" is "cryogenic".

The plural of the "cryogen" can be the "cryogens".

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