grass, mustard, poppy, sesame, etc.
bird (usually birdseed)
bad (AmE,figurative)
the transformation of Tracy from good girl to bad seed

packet

plant, sow
produce, set
This tree produces very hard seeds.
The plant will set seed in June.

grow sth from, raise sth from
She grew all the plants from seed.

disperse, spread
Most seeds are spread by the wind.

go to, run to
Cutting weeds before they go to seed will greatly reduce future weed problems.

contain
Each fruit usually contains a single seed.
He argued that capitalism contained the seeds of its own destruction. (figurative)

remove
Peel the peppers and remove the seeds.

germinate, grow, sprout

head, pod
packet, tray
bank, catalogue, merchant (esp. BrE)
corn, potato
money

a variety of seeds
The catalogue has hundreds of different varieties of seeds.

first, second, etc.
number-one, number-two, etc.
top
She was the top seed at the US Open this year.