'extend'はこちらの項目にも見つかりました。
英語の見出し語に対する説明:
bleed
- carry
- continue
- cover
- deepening
- expand
- expandable
- go
- jut out from
- open up to
- option
- outstretch
- overreach
- overspread
- poke
- poke out
- produce
- prolong
- put out
- radiate
- range
- reach
- reach across
- reach down
- reach out
- reach up
- reschedule
- rise
- roll
- run
- run to
- sprawl
- spread
- spread out
- stretch
- stretch out
- sweep
- tie
- trail
- traverse
- widen