• higlands,
• highlans,
• highlads,
• highands,
• highlandes,
• gighlands,
• bighlands,
• nighlands,
• jighlands,
• uighlands,
• yighlands,
• hughlands,
• hjghlands,
• hkghlands,
• highlends,
• hilands,
• highlanders,
• highlandis,
• higclass,
• highclas

• highland,
• highlander.

The adjective form of the word "highlands" is "highland".

The plural of the "highlands" can be the "highlands".

The singular of the "highlands" can be the "highland".