What is/are the similarities between ${\mathrm{CH}}_3\mathrm{OH} \mathrm{and} {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$?

Write the IUPAC name of 

Write the IUPAC name of the following:

Draw the structural formula for the following:

• methanol

The common names of ${\mathrm{CH}}_3-\mathrm{CH}\left(\mathrm{OH}\right)-{\mathrm{CH}}_2-{\mathrm{CH}}_3$$$  and   ${\mathrm{CH}}_3-\mathrm{CH}\left({\mathrm{CH}}_3\right)-{\mathrm{CH}}_2-\mathrm{OH}$

  are $\_\_\_\_\_\_\_\_$ and $\_\_\_\_\_\_\_\_$ respectively.

The IUPAC name of the compound is: