Cuss is a four letter verb for obscene. Other words that can be used in place of obscene include curse, swear, vulgar, and expletive.
A four-letter verb that can mean "obscene" is "bawl," which refers to shouting or crying out loudly, often in a way that can be considered inappropriate or offensive. However, if you're looking for a verb that more directly conveys obscenity, "cuss" (to use profanity) might be the better choice. Both terms carry connotations of vulgarity in different contexts.
show
It is "wear".
maim
sing/sang
A four-letter verb that can mean "obscene" is "bawl," which refers to shouting or crying out loudly, often in a way that can be considered inappropriate or offensive. However, if you're looking for a verb that more directly conveys obscenity, "cuss" (to use profanity) might be the better choice. Both terms carry connotations of vulgarity in different contexts.
foul
evil, vile
show
help
make
grow
wear
yern
grow
quiz
It is "wear".