There are several good tips to help avoid voice strain.
Like you said, drink a lot of water (6-8 glasses a day); also, limit your intake of caffeinated drinks or alcoholic drinks, as they dry your throat
When you are talking, support your voice with deep breaths, like singers have to; speaking from your diaphragm puts less stress on your voice and also ...
When working with speech recognition systems, you should take the following steps to minimise strain:
poor posture in sitting can lead to: swallowing, talking and breathing difficulties if your chest is slumped and unable to expand (source),
speak at a normal pitch/volume,
Source: NHS: Voice Recognition ...
One answer to this is give it some time. Your voice will get used to being used much more than it has in the past.
When I became a teaching assistant I was suddenly using my voice to address large groups for long periods of time when I had previously only been using it for occasional conversation. My voice was raw for a few days at the beginning of the ...
You produce sound by flowing air through your vocal folds and making them oscillate. More oscillations produce a higher sound frequency, while less oscillations produce a lower sound frequency.
You can also alter the shape of your folds and mouth to produce different sounds and words.
The above taken into consideration, I'd choose words that cost the ...