Here are some of the commonly used used informal and formal verbs. Differentiate these informal and formal verbs in your informal and formal usage.
1 say sorry ➖ apologize, apologize
2 go up ➖ increase
3 go down ➖ decrease
4 set up ➖ establish
5 look at ➖ examine
6 blow up ➖ explode
7 find out ➖ discover
8 bring about ➖ cause
9 put off ➖ postpone, delay
10 rack up ➖ accumulate
11 make up ➖ fabricate
12 stand for ➖ represent
13 find out ➖ discover, ascertain
14 leave out ➖ omit
15 point out ➖ indicate
16 go against ➖ oppose
17 get in touch with ➖ contact
18 It’s about ➖ It concerns, It’s in regards to
19 need to ➖ required
20 think about ➖ consider
21 get ➖ obtain
22 put up ➖ tolerate
23 deal with ➖ handle
24 seem ➖ appear
25 show ➖ demonstrate, illustrate, portray
26 start ➖ commence
27 keep ➖ retain
28 free ➖ release
29 get on someone’s nerves ➖bother
30 ring up ➖ call
31 show up ➖ arrive
32 let ➖ permit
33 fill in ➖ substitute, inform
34 block ➖ undermine
35 give the go-ahead, greenlight ➖ authorize