• peek water,
• peaak water,
• pek water,
• peck water,
• ppeak water,
• peyk water,
• peaq water,
• peack water,
• peakw ater,
• peak waterr

The adjective form of the term "peak water" is "peak-water". Both the term and its adjective form refer to the concept of the point at which freshwater availability reaches its maximum and starts to decline due to various factors such as overconsumption and depletion of water resources.

The plural form of the word "peak water" remains the same, as it is already a plural form.

The singular form of the word "peak water" is "peak water". The term refers to the point in time when the maximum rate of water extraction is reached, after which it is expected to decline due to various factors like overuse or depletion of water resources.