New words in the Oxford English Dictionary 2016

The OED is updated four times a year, every March, June, September, and December. In December 2016 alone, around 500 new words, phrases, and senses entered the Oxford English Dictionary including including glam-ma, YouTuber and upstander.

Other new words that entered the Oxford English Dictionary include;

• Softballer
• Downed
• Bralette
• Fulleride
• Goaler

http://public.oed.com/the-oed-today/recent-updates-to-the-oed/

Words that have changed meaning

Nice
Today the lexis "nice" has a positive meaning of being a compliment and having a current definition of "giving pleasure or satisfaction; pleasant or attractive". However is used to mean silly, foolish or simple.

Sly
In the 13th century the lexis "sly" had a positive meaning of skillful, clever, knowing, and wise. Whereas now a days it has a negative meaning of being sneaky and deceitful which is not what anybody wants to be referred to as.

Heartburn
The lexis "heartburn" used to have a completely different meaning to what it has now a days which would be to describe an issue or a problem with your stomach. Although it used to have a meaning of jealousy or hatred.

http://ideas.ted.com/20-words-that-once-meant-something-very-different/ 
http://mentalfloss.com/article/54770/15-words-dont-mean-what-they-used 

1600 comparison

Romeo and Juliet:

Peace, I have done. God mark thee to his grace!

Thou wast the prettiest babe that e'er I nursed.

An I might live to see thee married once,

I have my wish.

Modern day translation:

Peace. I’m done talking. May God choose you to receive his grace.

You were the prettiest baby I ever nursed.

If I live to see you get married someday,

all my wishes will come true.

• "thee" and "thou" are both informal
• The lexis "wast" is now obsolete 
• "e'er" now used as "ever"

http://nfs.sparknotes.com/romeojuliet/page_42.html