自

weight of an (unloaded) vehicle; dead load; tare

one's own weight

free; unfettered; according to one's own whims; doing as one likes

Movement for Civic Rights and Freedom (Meiji era); Freedom and People's Rights Movement

physics (study of natural science in ancient Greek philosophy)

natural childbirth

voluntary recall (e.g. of faulty goods)

naturally growing tree; tree that does not grow in a tree plantation

freethinker

private airplane; private jet

free thought

self-improvement book

scuttling one's own boat

natural tendency; natural course of events; force of circumstances

self-employed person

(something that is) available for use at any time; (someone who is) at one's beck and call; (something over which) one has complete mastery

self-centeredness; self-centredness; selfishness; egotism; egoism

Computing

auto-answer; automatic answering

self-image

Physics

free electron

Free Trade Agreement; FTA

automobile component; automobile part

driving school

self-alienation

Linguistics

natural language