• pipe orgam,
• pipeorgan,
• pype organ,
• pipe orgen,
• pipeporgan,
• pipe0-organ,
• pipep-organ,
• pipe--organ,
• pipemorgan,
• pipe-oargan,
• piepe-organ,
• Pipe organe,
• Pipe-orgeen,
• Pipe-oggan,
• Pipeo-organ,
• Pipeorgin

The adjective form of the word "pipe-organ" is "pipe-organ". However, if you are looking for a more specific adjective to describe something related to or resembling a pipe organ, you could use "organlike".

The plural form of "pipe-organ" is "pipe-organs".

The singular form of the word "pipe-organ" is "pipe-organ". It remains the same in both singular and plural forms.