How many 2 letter words can you make from SERVICES?

There are 5 valid 2-letter words that can be made from the letters SERVICES, and the highest scoring is er at 2 points.

5 2 letter words from services

You can make 5 words of exactly 2 letters from SERVICES. The highest scoring is er at 2 points.

er: a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment
es: a radioactive transuranic element produced by bombarding plutonium with neutrons
re: a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
si: a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela)