A dictionary of Confusable Phrases: More Than 10,000 Idioms and Collocations

Note: 
The expression does not correlate in meaning with the
phrase get a head start—begin smth. earlier than another person
thus gaining an advantage: Taxpayers are encouraged to get a
head start on tax preparation, especially since early filers avoid
the last minute rush.
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get a start

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get one’s start— = get a start 2: She helped me to get my start
by recommending me to the manager.
get a word in • put a word in
get a word in —(also: get in a word) succeed in saying smth.
when other people are talking ignoring you: You are so hot-
headed and exclamatory that I cannot get a word in. Cf.: get
a word in edgewise — used as an emphatic variant of the former:
I want to ask him about the book, but it’s a little hard to get
a word in edgewise. Everyone’s animated and talking all at
once.
put a word in —(also: put in a word) 
1
. contribute an utter-
ance to a conversation: He seemed oblivious to the fact that
Picard had been trying to put a word in for the past minute
or two. 2. speak in support of smb.; recommend a person:
You may depend upon my putting in a word for you whenever
I can.
get around something • get around to something
get around something —(also: get round something ) circum-
vent or evade rules, regulations, etc. (without committing a
legal offence): In order to get around this legal point the
refugees are said to be “housed” there rather than “detained.”
Note: 
The expression does not correlate in meaning with the
phrase get one’s head around something—(coll.) understand
or come to terms with smth.: I’ve got my head around the fact
that I’m going to miss a number of games. It was difficult at
the start when I first picked up the injury.
get around to something —(also: get round to something ) find
time for smth.; deal with smth. (when more important matters
have been dealt with): Don’t leave it to chance or think you
will get around to it later when you have more time.